diff --git a/components/engine/daemon/daemon_linux.go b/components/engine/daemon/daemon_linux.go
index 024c48b8bf..7cb6727534 100644
--- a/components/engine/daemon/daemon_linux.go
+++ b/components/engine/daemon/daemon_linux.go
@@ -74,18 +74,22 @@ func (daemon *Daemon) cleanupMounts() error {
 		return err
 	}
 
-	infos, err := mount.GetMounts()
+	info, err := mount.GetMounts(mount.SingleEntryFilter(daemon.root))
 	if err != nil {
 		return errors.Wrap(err, "error reading mount table for cleanup")
 	}
 
-	info := getMountInfo(infos, daemon.root)
+	if len(info) < 1 {
+		// no mount found, we're done here
+		return nil
+	}
+
 	// `info.Root` here is the root mountpoint of the passed in path (`daemon.root`).
 	// The ony cases that need to be cleaned up is when the daemon has performed a
 	//   `mount --bind /daemon/root /daemon/root && mount --make-shared /daemon/root`
 	// This is only done when the daemon is started up and `/daemon/root` is not
 	// already on a shared mountpoint.
-	if !shouldUnmountRoot(daemon.root, info) {
+	if !shouldUnmountRoot(daemon.root, info[0]) {
 		return nil
 	}
 
@@ -122,12 +126,6 @@ func getRealPath(path string) (string, error) {
 }
 
 func shouldUnmountRoot(root string, info *mount.Info) bool {
-	if info == nil {
-		return false
-	}
-	if info.Mountpoint != root {
-		return false
-	}
 	if !strings.HasSuffix(root, info.Root) {
 		return false
 	}
diff --git a/components/engine/daemon/daemon_linux_test.go b/components/engine/daemon/daemon_linux_test.go
index a90cffeb12..c6699ed1e1 100644
--- a/components/engine/daemon/daemon_linux_test.go
+++ b/components/engine/daemon/daemon_linux_test.go
@@ -183,12 +183,6 @@ func TestShouldUnmountRoot(t *testing.T) {
 			info:   &mount.Info{Root: "/docker", Mountpoint: "/docker"},
 			expect: true,
 		},
-		{
-			desc:   "not a mountpoint",
-			root:   "/docker",
-			info:   nil,
-			expect: false,
-		},
 		{
 			desc:   "root is at in a submount from `/`",
 			root:   "/foo/docker",
@@ -201,12 +195,6 @@ func TestShouldUnmountRoot(t *testing.T) {
 			info:   &mount.Info{Root: "/docker/volumes/1234657/_data", Mountpoint: "/docker"},
 			expect: false,
 		},
-		{
-			desc:   "root is mounted in from a parent mount namespace different root dir",
-			root:   "/foo/bar",
-			info:   &mount.Info{Root: "/docker/volumes/1234657/_data", Mountpoint: "/foo/bar"},
-			expect: false,
-		},
 	} {
 		t.Run(test.desc, func(t *testing.T) {
 			for _, options := range []struct {
diff --git a/components/engine/daemon/graphdriver/zfs/zfs.go b/components/engine/daemon/graphdriver/zfs/zfs.go
index 913172d877..39d606fb9f 100644
--- a/components/engine/daemon/graphdriver/zfs/zfs.go
+++ b/components/engine/daemon/graphdriver/zfs/zfs.go
@@ -147,7 +147,7 @@ func lookupZfsDataset(rootdir string) (string, error) {
 	}
 	wantedDev := stat.Dev
 
-	mounts, err := mount.GetMounts()
+	mounts, err := mount.GetMounts(nil)
 	if err != nil {
 		return "", err
 	}
diff --git a/components/engine/daemon/oci_linux.go b/components/engine/daemon/oci_linux.go
index f23f0b9990..62e7c7f1d6 100644
--- a/components/engine/daemon/oci_linux.go
+++ b/components/engine/daemon/oci_linux.go
@@ -380,15 +380,6 @@ func specMapping(s []idtools.IDMap) []specs.LinuxIDMapping {
 	return ids
 }
 
-func getMountInfo(mountinfo []*mount.Info, dir string) *mount.Info {
-	for _, m := range mountinfo {
-		if m.Mountpoint == dir {
-			return m
-		}
-	}
-	return nil
-}
-
 // Get the source mount point of directory passed in as argument. Also return
 // optional fields.
 func getSourceMount(source string) (string, string, error) {
@@ -398,29 +389,26 @@ func getSourceMount(source string) (string, string, error) {
 		return "", "", err
 	}
 
-	mountinfos, err := mount.GetMounts()
+	mi, err := mount.GetMounts(mount.ParentsFilter(sourcePath))
 	if err != nil {
 		return "", "", err
 	}
-
-	mountinfo := getMountInfo(mountinfos, sourcePath)
-	if mountinfo != nil {
-		return sourcePath, mountinfo.Optional, nil
+	if len(mi) < 1 {
+		return "", "", fmt.Errorf("Can't find mount point of %s", source)
 	}
 
-	path := sourcePath
-	for {
-		path = filepath.Dir(path)
-
-		mountinfo = getMountInfo(mountinfos, path)
-		if mountinfo != nil {
-			return path, mountinfo.Optional, nil
-		}
-
-		if path == "/" {
-			break
+	// find the longest mount point
+	var idx, maxlen int
+	for i := range mi {
+		if len(mi[i].Mountpoint) > maxlen {
+			maxlen = len(mi[i].Mountpoint)
+			idx = i
 		}
 	}
+	// and return it unless it's "/"
+	if mi[idx].Mountpoint != "/" {
+		return mi[idx].Mountpoint, mi[idx].Optional, nil
+	}
 
 	// If we are here, we did not find parent mount. Something is wrong.
 	return "", "", fmt.Errorf("Could not find source mount of %s", source)
diff --git a/components/engine/integration-cli/docker_cli_daemon_plugins_test.go b/components/engine/integration-cli/docker_cli_daemon_plugins_test.go
index 6d47fb1e03..2f66bc05e2 100644
--- a/components/engine/integration-cli/docker_cli_daemon_plugins_test.go
+++ b/components/engine/integration-cli/docker_cli_daemon_plugins_test.go
@@ -260,7 +260,7 @@ func (s *DockerDaemonSuite) TestPluginVolumeRemoveOnRestart(c *check.C) {
 }
 
 func existsMountpointWithPrefix(mountpointPrefix string) (bool, error) {
-	mounts, err := mount.GetMounts()
+	mounts, err := mount.GetMounts(nil)
 	if err != nil {
 		return false, err
 	}
diff --git a/components/engine/pkg/mount/mount.go b/components/engine/pkg/mount/mount.go
index 7bdbf8a837..874aff6545 100644
--- a/components/engine/pkg/mount/mount.go
+++ b/components/engine/pkg/mount/mount.go
@@ -3,32 +3,64 @@ package mount // import "github.com/docker/docker/pkg/mount"
 import (
 	"sort"
 	"strings"
-
 	"syscall"
 
 	"github.com/sirupsen/logrus"
 )
 
-// GetMounts retrieves a list of mounts for the current running process.
-func GetMounts() ([]*Info, error) {
-	return parseMountTable()
+// FilterFunc is a type defining a callback function
+// to filter out unwanted entries. It takes a pointer
+// to an Info struct (not fully populated, currently
+// only Mountpoint is filled in), and returns two booleans:
+//  - skip: true if the entry should be skipped
+//  - stop: true if parsing should be stopped after the entry
+type FilterFunc func(*Info) (skip, stop bool)
+
+// PrefixFilter discards all entries whose mount points
+// do not start with a prefix specified
+func PrefixFilter(prefix string) FilterFunc {
+	return func(m *Info) (bool, bool) {
+		skip := !strings.HasPrefix(m.Mountpoint, prefix)
+		return skip, false
+	}
+}
+
+// SingleEntryFilter looks for a specific entry
+func SingleEntryFilter(mp string) FilterFunc {
+	return func(m *Info) (bool, bool) {
+		if m.Mountpoint == mp {
+			return false, true // don't skip, stop now
+		}
+		return true, false // skip, keep going
+	}
+}
+
+// ParentsFilter returns all entries whose mount points
+// can be parents of a path specified, discarding others.
+// For example, given `/var/lib/docker/something`, entries
+// like `/var/lib/docker`, `/var` and `/` are returned.
+func ParentsFilter(path string) FilterFunc {
+	return func(m *Info) (bool, bool) {
+		skip := !strings.HasPrefix(path, m.Mountpoint)
+		return skip, false
+	}
+}
+
+// GetMounts retrieves a list of mounts for the current running process,
+// with an optional filter applied (use nil for no filter).
+func GetMounts(f FilterFunc) ([]*Info, error) {
+	return parseMountTable(f)
 }
 
 // Mounted determines if a specified mountpoint has been mounted.
 // On Linux it looks at /proc/self/mountinfo.
 func Mounted(mountpoint string) (bool, error) {
-	entries, err := parseMountTable()
+	entries, err := GetMounts(SingleEntryFilter(mountpoint))
 	if err != nil {
 		return false, err
 	}
 
-	// Search the table for the mountpoint
-	for _, e := range entries {
-		if e.Mountpoint == mountpoint {
-			return true, nil
-		}
-	}
-	return false, nil
+	return len(entries) > 0, nil
 }
 
 // Mount will mount filesystem according to the specified configuration, on the
@@ -57,16 +89,18 @@ func ForceMount(device, target, mType, options string) error {
 // Unmount lazily unmounts a filesystem on supported platforms, otherwise
 // does a normal unmount.
 func Unmount(target string) error {
-	if mounted, err := Mounted(target); err != nil || !mounted {
-		return err
+	err := unmount(target, mntDetach)
+	if err == syscall.EINVAL {
+		// ignore "not mounted" error
+		err = nil
 	}
-	return unmount(target, mntDetach)
+	return err
 }
 
 // RecursiveUnmount unmounts the target and all mounts underneath, starting with
 // the deepsest mount first.
 func RecursiveUnmount(target string) error {
-	mounts, err := GetMounts()
+	mounts, err := parseMountTable(PrefixFilter(target))
 	if err != nil {
 		return err
 	}
@@ -77,9 +111,6 @@ func RecursiveUnmount(target string) error {
 	})
 
 	for i, m := range mounts {
-		if !strings.HasPrefix(m.Mountpoint, target) {
-			continue
-		}
 		logrus.Debugf("Trying to unmount %s", m.Mountpoint)
 		err = unmount(m.Mountpoint, mntDetach)
 		if err != nil {
diff --git a/components/engine/pkg/mount/mount_unix_test.go b/components/engine/pkg/mount/mount_unix_test.go
index 84699eee5e..befff9d50c 100644
--- a/components/engine/pkg/mount/mount_unix_test.go
+++ b/components/engine/pkg/mount/mount_unix_test.go
@@ -129,7 +129,7 @@ func TestMountReadonly(t *testing.T) {
 }
 
 func TestGetMounts(t *testing.T) {
-	mounts, err := GetMounts()
+	mounts, err := GetMounts(nil)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/components/engine/pkg/mount/mounter_linux_test.go b/components/engine/pkg/mount/mounter_linux_test.go
index e5da438efe..15f10593ac 100644
--- a/components/engine/pkg/mount/mounter_linux_test.go
+++ b/components/engine/pkg/mount/mounter_linux_test.go
@@ -121,7 +121,7 @@ func ensureUnmount(t *testing.T, mnt string) {
 
 // validateMount checks that mnt has the given options
 func validateMount(t *testing.T, mnt string, opts, optional, vfs string) {
-	info, err := GetMounts()
+	info, err := GetMounts(nil)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/components/engine/pkg/mount/mountinfo_freebsd.go b/components/engine/pkg/mount/mountinfo_freebsd.go
index b86f4a97f6..36c89dc1a2 100644
--- a/components/engine/pkg/mount/mountinfo_freebsd.go
+++ b/components/engine/pkg/mount/mountinfo_freebsd.go
@@ -15,7 +15,7 @@ import (
 
 // Parse /proc/self/mountinfo because comparing Dev and ino does not work from
 // bind mounts.
-func parseMountTable() ([]*Info, error) {
+func parseMountTable(filter FilterFunc) ([]*Info, error) {
 	var rawEntries *C.struct_statfs
 
 	count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
@@ -32,10 +32,24 @@ func parseMountTable() ([]*Info, error) {
 	var out []*Info
 	for _, entry := range entries {
 		var mountinfo Info
+		var skip, stop bool
 		mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
+
+		if filter != nil {
+			// filter out entries we're not interested in
+			skip, stop = filter(p)
+			if skip {
+				continue
+			}
+		}
+
 		mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
 		mountinfo.Fstype = C.GoString(&entry.f_fstypename[0])
+
 		out = append(out, &mountinfo)
+		if stop {
+			break
+		}
 	}
 	return out, nil
 }
diff --git a/components/engine/pkg/mount/mountinfo_linux.go b/components/engine/pkg/mount/mountinfo_linux.go
index 4afa8d538d..c1dba01fc3 100644
--- a/components/engine/pkg/mount/mountinfo_linux.go
+++ b/components/engine/pkg/mount/mountinfo_linux.go
@@ -5,78 +5,117 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"strconv"
 	"strings"
 )
 
-const (
-	/* 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
-	   (1)(2)(3)   (4)   (5)      (6)      (7)   (8) (9)   (10)         (11)
+func parseInfoFile(r io.Reader, filter FilterFunc) ([]*Info, error) {
+	s := bufio.NewScanner(r)
+	out := []*Info{}
+	for s.Scan() {
+		if err := s.Err(); err != nil {
+			return nil, err
+		}
+		/*
+		   36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
+		   (1)(2)(3)   (4)   (5)      (6)      (7)   (8) (9)   (10)         (11)
 
-	   (1) mount ID:  unique identifier of the mount (may be reused after umount)
-	   (2) parent ID:  ID of parent (or of self for the top of the mount tree)
-	   (3) major:minor:  value of st_dev for files on filesystem
-	   (4) root:  root of the mount within the filesystem
-	   (5) mount point:  mount point relative to the process's root
-	   (6) mount options:  per mount options
-	   (7) optional fields:  zero or more fields of the form "tag[:value]"
-	   (8) separator:  marks the end of the optional fields
-	   (9) filesystem type:  name of filesystem of the form "type[.subtype]"
-	   (10) mount source:  filesystem specific information or "none"
-	   (11) super options:  per super block options*/
-	mountinfoFormat = "%d %d %d:%d %s %s %s %s"
-)
+		   (1) mount ID:  unique identifier of the mount (may be reused after umount)
+		   (2) parent ID:  ID of parent (or of self for the top of the mount tree)
+		   (3) major:minor:  value of st_dev for files on filesystem
+		   (4) root:  root of the mount within the filesystem
+		   (5) mount point:  mount point relative to the process's root
+		   (6) mount options:  per mount options
+		   (7) optional fields:  zero or more fields of the form "tag[:value]"
+		   (8) separator:  marks the end of the optional fields
+		   (9) filesystem type:  name of filesystem of the form "type[.subtype]"
+		   (10) mount source:  filesystem specific information or "none"
+		   (11) super options:  per super block options
+		*/
+
+		text := s.Text()
+		fields := strings.Split(text, " ")
+		numFields := len(fields)
+		if numFields < 10 {
+			// should be at least 10 fields
+			return nil, fmt.Errorf("Parsing '%s' failed: not enough fields (%d)", text, numFields)
+		}
+
+		p := &Info{}
+		// ignore any numbers parsing errors, as there should not be any
+		p.ID, _ = strconv.Atoi(fields[0])
+		p.Parent, _ = strconv.Atoi(fields[1])
+		mm := strings.Split(fields[2], ":")
+		if len(mm) != 2 {
+			return nil, fmt.Errorf("Parsing '%s' failed: unexpected minor:major pair %s", text, mm)
+		}
+		p.Major, _ = strconv.Atoi(mm[0])
+		p.Minor, _ = strconv.Atoi(mm[1])
+
+		p.Root = fields[3]
+		p.Mountpoint = fields[4]
+		p.Opts = fields[5]
+
+		var skip, stop bool
+		if filter != nil {
+			// filter out entries we're not interested in
+			skip, stop = filter(p)
+			if skip {
+				continue
+			}
+		}
+
+		// one or more optional fields, when a separator (-)
+		i := 6
+		for ; i < numFields && fields[i] != "-"; i++ {
+			switch i {
+			case 6:
+				p.Optional = fields[6]
+			default:
+				/* NOTE there might be more optional fields before the such as
+				   fields[7]...fields[N] (where N < sepIndex), although
+				   as of Linux kernel 4.15 the only known ones are
+				   mount propagation flags in fields[6]. The correct
+				   behavior is to ignore any unknown optional fields.
+				*/
+				break
+			}
+		}
+		if i == numFields {
+			return nil, fmt.Errorf("Parsing '%s' failed: missing separator ('-')", text)
+		}
+
+		// There should be 3 fields after the separator...
+		if i+4 > numFields {
+			return nil, fmt.Errorf("Parsing '%s' failed: not enough fields after a separator", text)
+		}
+		// ... but in Linux <= 3.9 mounting a cifs with spaces in a share name
+		// (like "//serv/My Documents") _may_ end up having a space in the last field
+		// of mountinfo (like "unc=//serv/My Documents"). Since kernel 3.10-rc1, cifs
+		// option unc= is ignored,  so a space should not appear. In here we ignore
+		// those "extra" fields caused by extra spaces.
+		p.Fstype = fields[i+1]
+		p.Source = fields[i+2]
+		p.VfsOpts = fields[i+3]
+
+		out = append(out, p)
+		if stop {
+			break
+		}
+	}
+	return out, nil
+}
 
 // Parse /proc/self/mountinfo because comparing Dev and ino does not work from
 // bind mounts
-func parseMountTable() ([]*Info, error) {
+func parseMountTable(filter FilterFunc) ([]*Info, error) {
 	f, err := os.Open("/proc/self/mountinfo")
 	if err != nil {
 		return nil, err
 	}
 	defer f.Close()
 
-	return parseInfoFile(f)
-}
-
-func parseInfoFile(r io.Reader) ([]*Info, error) {
-	var (
-		s   = bufio.NewScanner(r)
-		out = []*Info{}
-	)
-
-	for s.Scan() {
-		if err := s.Err(); err != nil {
-			return nil, err
-		}
-
-		var (
-			p              = &Info{}
-			text           = s.Text()
-			optionalFields string
-		)
-
-		if _, err := fmt.Sscanf(text, mountinfoFormat,
-			&p.ID, &p.Parent, &p.Major, &p.Minor,
-			&p.Root, &p.Mountpoint, &p.Opts, &optionalFields); err != nil {
-			return nil, fmt.Errorf("Scanning '%s' failed: %s", text, err)
-		}
-		// Safe as mountinfo encodes mountpoints with spaces as \040.
-		index := strings.Index(text, " - ")
-		postSeparatorFields := strings.Fields(text[index+3:])
-		if len(postSeparatorFields) < 3 {
-			return nil, fmt.Errorf("Error found less than 3 fields post '-' in %q", text)
-		}
-
-		if optionalFields != "-" {
-			p.Optional = optionalFields
-		}
-
-		p.Fstype = postSeparatorFields[0]
-		p.Source = postSeparatorFields[1]
-		p.VfsOpts = strings.Join(postSeparatorFields[2:], " ")
-		out = append(out, p)
-	}
-	return out, nil
+	return parseInfoFile(f, filter)
 }
 
 // PidMountInfo collects the mounts for a specific process ID. If the process
@@ -89,5 +128,5 @@ func PidMountInfo(pid int) ([]*Info, error) {
 	}
 	defer f.Close()
 
-	return parseInfoFile(f)
+	return parseInfoFile(f, nil)
 }
diff --git a/components/engine/pkg/mount/mountinfo_linux_test.go b/components/engine/pkg/mount/mountinfo_linux_test.go
index 771b353823..f8acb9eeae 100644
--- a/components/engine/pkg/mount/mountinfo_linux_test.go
+++ b/components/engine/pkg/mount/mountinfo_linux_test.go
@@ -5,67 +5,69 @@ package mount // import "github.com/docker/docker/pkg/mount"
 import (
 	"bytes"
 	"testing"
+
+	"github.com/gotestyourself/gotestyourself/assert"
 )
 
 const (
 	fedoraMountinfo = `15 35 0:3 / /proc rw,nosuid,nodev,noexec,relatime shared:5 - proc proc rw
-    16 35 0:14 / /sys rw,nosuid,nodev,noexec,relatime shared:6 - sysfs sysfs rw,seclabel
-    17 35 0:5 / /dev rw,nosuid shared:2 - devtmpfs devtmpfs rw,seclabel,size=8056484k,nr_inodes=2014121,mode=755
-    18 16 0:15 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:7 - securityfs securityfs rw
-    19 16 0:13 / /sys/fs/selinux rw,relatime shared:8 - selinuxfs selinuxfs rw
-    20 17 0:16 / /dev/shm rw,nosuid,nodev shared:3 - tmpfs tmpfs rw,seclabel
-    21 17 0:10 / /dev/pts rw,nosuid,noexec,relatime shared:4 - devpts devpts rw,seclabel,gid=5,mode=620,ptmxmode=000
-    22 35 0:17 / /run rw,nosuid,nodev shared:21 - tmpfs tmpfs rw,seclabel,mode=755
-    23 16 0:18 / /sys/fs/cgroup rw,nosuid,nodev,noexec shared:9 - tmpfs tmpfs rw,seclabel,mode=755
-    24 23 0:19 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd
-    25 16 0:20 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:20 - pstore pstore rw
-    26 23 0:21 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:11 - cgroup cgroup rw,cpuset,clone_children
-    27 23 0:22 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:12 - cgroup cgroup rw,cpuacct,cpu,clone_children
-    28 23 0:23 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,memory,clone_children
-    29 23 0:24 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,devices,clone_children
-    30 23 0:25 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,freezer,clone_children
-    31 23 0:26 / /sys/fs/cgroup/net_cls rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,net_cls,clone_children
-    32 23 0:27 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,blkio,clone_children
-    33 23 0:28 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,perf_event,clone_children
-    34 23 0:29 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,hugetlb,clone_children
-    35 1 253:2 / / rw,relatime shared:1 - ext4 /dev/mapper/ssd-root--f20 rw,seclabel,data=ordered
-    36 15 0:30 / /proc/sys/fs/binfmt_misc rw,relatime shared:22 - autofs systemd-1 rw,fd=38,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
-    37 17 0:12 / /dev/mqueue rw,relatime shared:23 - mqueue mqueue rw,seclabel
-    38 35 0:31 / /tmp rw shared:24 - tmpfs tmpfs rw,seclabel
-    39 17 0:32 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw,seclabel
-    40 16 0:7 / /sys/kernel/debug rw,relatime shared:26 - debugfs debugfs rw
-    41 16 0:33 / /sys/kernel/config rw,relatime shared:27 - configfs configfs rw
-    42 35 0:34 / /var/lib/nfs/rpc_pipefs rw,relatime shared:28 - rpc_pipefs sunrpc rw
-    43 15 0:35 / /proc/fs/nfsd rw,relatime shared:29 - nfsd sunrpc rw
-    45 35 8:17 / /boot rw,relatime shared:30 - ext4 /dev/sdb1 rw,seclabel,data=ordered
-    46 35 253:4 / /home rw,relatime shared:31 - ext4 /dev/mapper/ssd-home rw,seclabel,data=ordered
-    47 35 253:5 / /var/lib/libvirt/images rw,noatime,nodiratime shared:32 - ext4 /dev/mapper/ssd-virt rw,seclabel,discard,data=ordered
-    48 35 253:12 / /mnt/old rw,relatime shared:33 - ext4 /dev/mapper/HelpDeskRHEL6-FedoraRoot rw,seclabel,data=ordered
-    121 22 0:36 / /run/user/1000/gvfs rw,nosuid,nodev,relatime shared:104 - fuse.gvfsd-fuse gvfsd-fuse rw,user_id=1000,group_id=1000
-    124 16 0:37 / /sys/fs/fuse/connections rw,relatime shared:107 - fusectl fusectl rw
-    165 38 253:3 / /tmp/mnt rw,relatime shared:147 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
-    167 35 253:15 / /var/lib/docker/devicemapper/mnt/aae4076022f0e2b80a2afbf8fc6df450c52080191fcef7fb679a73e6f073e5c2 rw,relatime shared:149 - ext4 /dev/mapper/docker-253:2-425882-aae4076022f0e2b80a2afbf8fc6df450c52080191fcef7fb679a73e6f073e5c2 rw,seclabel,discard,stripe=16,data=ordered
-    171 35 253:16 / /var/lib/docker/devicemapper/mnt/c71be651f114db95180e472f7871b74fa597ee70a58ccc35cb87139ddea15373 rw,relatime shared:153 - ext4 /dev/mapper/docker-253:2-425882-c71be651f114db95180e472f7871b74fa597ee70a58ccc35cb87139ddea15373 rw,seclabel,discard,stripe=16,data=ordered
-    175 35 253:17 / /var/lib/docker/devicemapper/mnt/1bac6ab72862d2d5626560df6197cf12036b82e258c53d981fa29adce6f06c3c rw,relatime shared:157 - ext4 /dev/mapper/docker-253:2-425882-1bac6ab72862d2d5626560df6197cf12036b82e258c53d981fa29adce6f06c3c rw,seclabel,discard,stripe=16,data=ordered
-    179 35 253:18 / /var/lib/docker/devicemapper/mnt/d710a357d77158e80d5b2c55710ae07c94e76d34d21ee7bae65ce5418f739b09 rw,relatime shared:161 - ext4 /dev/mapper/docker-253:2-425882-d710a357d77158e80d5b2c55710ae07c94e76d34d21ee7bae65ce5418f739b09 rw,seclabel,discard,stripe=16,data=ordered
-    183 35 253:19 / /var/lib/docker/devicemapper/mnt/6479f52366114d5f518db6837254baab48fab39f2ac38d5099250e9a6ceae6c7 rw,relatime shared:165 - ext4 /dev/mapper/docker-253:2-425882-6479f52366114d5f518db6837254baab48fab39f2ac38d5099250e9a6ceae6c7 rw,seclabel,discard,stripe=16,data=ordered
-    187 35 253:20 / /var/lib/docker/devicemapper/mnt/8d9df91c4cca5aef49eeb2725292aab324646f723a7feab56be34c2ad08268e1 rw,relatime shared:169 - ext4 /dev/mapper/docker-253:2-425882-8d9df91c4cca5aef49eeb2725292aab324646f723a7feab56be34c2ad08268e1 rw,seclabel,discard,stripe=16,data=ordered
-    191 35 253:21 / /var/lib/docker/devicemapper/mnt/c8240b768603d32e920d365dc9d1dc2a6af46cd23e7ae819947f969e1b4ec661 rw,relatime shared:173 - ext4 /dev/mapper/docker-253:2-425882-c8240b768603d32e920d365dc9d1dc2a6af46cd23e7ae819947f969e1b4ec661 rw,seclabel,discard,stripe=16,data=ordered
-    195 35 253:22 / /var/lib/docker/devicemapper/mnt/2eb3a01278380bbf3ed12d86ac629eaa70a4351301ee307a5cabe7b5f3b1615f rw,relatime shared:177 - ext4 /dev/mapper/docker-253:2-425882-2eb3a01278380bbf3ed12d86ac629eaa70a4351301ee307a5cabe7b5f3b1615f rw,seclabel,discard,stripe=16,data=ordered
-    199 35 253:23 / /var/lib/docker/devicemapper/mnt/37a17fb7c9d9b80821235d5f2662879bd3483915f245f9b49cdaa0e38779b70b rw,relatime shared:181 - ext4 /dev/mapper/docker-253:2-425882-37a17fb7c9d9b80821235d5f2662879bd3483915f245f9b49cdaa0e38779b70b rw,seclabel,discard,stripe=16,data=ordered
-    203 35 253:24 / /var/lib/docker/devicemapper/mnt/aea459ae930bf1de913e2f29428fd80ee678a1e962d4080019d9f9774331ee2b rw,relatime shared:185 - ext4 /dev/mapper/docker-253:2-425882-aea459ae930bf1de913e2f29428fd80ee678a1e962d4080019d9f9774331ee2b rw,seclabel,discard,stripe=16,data=ordered
-    207 35 253:25 / /var/lib/docker/devicemapper/mnt/928ead0bc06c454bd9f269e8585aeae0a6bd697f46dc8754c2a91309bc810882 rw,relatime shared:189 - ext4 /dev/mapper/docker-253:2-425882-928ead0bc06c454bd9f269e8585aeae0a6bd697f46dc8754c2a91309bc810882 rw,seclabel,discard,stripe=16,data=ordered
-    211 35 253:26 / /var/lib/docker/devicemapper/mnt/0f284d18481d671644706e7a7244cbcf63d590d634cc882cb8721821929d0420 rw,relatime shared:193 - ext4 /dev/mapper/docker-253:2-425882-0f284d18481d671644706e7a7244cbcf63d590d634cc882cb8721821929d0420 rw,seclabel,discard,stripe=16,data=ordered
-    215 35 253:27 / /var/lib/docker/devicemapper/mnt/d9dd16722ab34c38db2733e23f69e8f4803ce59658250dd63e98adff95d04919 rw,relatime shared:197 - ext4 /dev/mapper/docker-253:2-425882-d9dd16722ab34c38db2733e23f69e8f4803ce59658250dd63e98adff95d04919 rw,seclabel,discard,stripe=16,data=ordered
-    219 35 253:28 / /var/lib/docker/devicemapper/mnt/bc4500479f18c2c08c21ad5282e5f826a016a386177d9874c2764751c031d634 rw,relatime shared:201 - ext4 /dev/mapper/docker-253:2-425882-bc4500479f18c2c08c21ad5282e5f826a016a386177d9874c2764751c031d634 rw,seclabel,discard,stripe=16,data=ordered
-    223 35 253:29 / /var/lib/docker/devicemapper/mnt/7770c8b24eb3d5cc159a065910076938910d307ab2f5d94e1dc3b24c06ee2c8a rw,relatime shared:205 - ext4 /dev/mapper/docker-253:2-425882-7770c8b24eb3d5cc159a065910076938910d307ab2f5d94e1dc3b24c06ee2c8a rw,seclabel,discard,stripe=16,data=ordered
-    227 35 253:30 / /var/lib/docker/devicemapper/mnt/c280cd3d0bf0aa36b478b292279671624cceafc1a67eaa920fa1082601297adf rw,relatime shared:209 - ext4 /dev/mapper/docker-253:2-425882-c280cd3d0bf0aa36b478b292279671624cceafc1a67eaa920fa1082601297adf rw,seclabel,discard,stripe=16,data=ordered
-    231 35 253:31 / /var/lib/docker/devicemapper/mnt/8b59a7d9340279f09fea67fd6ad89ddef711e9e7050eb647984f8b5ef006335f rw,relatime shared:213 - ext4 /dev/mapper/docker-253:2-425882-8b59a7d9340279f09fea67fd6ad89ddef711e9e7050eb647984f8b5ef006335f rw,seclabel,discard,stripe=16,data=ordered
-    235 35 253:32 / /var/lib/docker/devicemapper/mnt/1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,relatime shared:217 - ext4 /dev/mapper/docker-253:2-425882-1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,seclabel,discard,stripe=16,data=ordered
-    239 35 253:33 / /var/lib/docker/devicemapper/mnt/e9aa60c60128cad1 rw,relatime shared:221 - ext4 /dev/mapper/docker-253:2-425882-e9aa60c60128cad1 rw,seclabel,discard,stripe=16,data=ordered
-    243 35 253:34 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,relatime shared:225 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,seclabel,discard,stripe=16,data=ordered
-    247 35 253:35 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,relatime shared:229 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,seclabel,discard,stripe=16,data=ordered
-    31 21 0:23 / /DATA/foo_bla_bla rw,relatime - cifs //foo/BLA\040BLA\040BLA/ rw,sec=ntlm,cache=loose,unc=\\foo\BLA BLA BLA,username=my_login,domain=mydomain.com,uid=12345678,forceuid,gid=12345678,forcegid,addr=10.1.30.10,file_mode=0755,dir_mode=0755,nounix,rsize=61440,wsize=65536,actimeo=1`
+16 35 0:14 / /sys rw,nosuid,nodev,noexec,relatime shared:6 - sysfs sysfs rw,seclabel
+17 35 0:5 / /dev rw,nosuid shared:2 - devtmpfs devtmpfs rw,seclabel,size=8056484k,nr_inodes=2014121,mode=755
+18 16 0:15 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:7 - securityfs securityfs rw
+19 16 0:13 / /sys/fs/selinux rw,relatime shared:8 - selinuxfs selinuxfs rw
+20 17 0:16 / /dev/shm rw,nosuid,nodev shared:3 - tmpfs tmpfs rw,seclabel
+21 17 0:10 / /dev/pts rw,nosuid,noexec,relatime shared:4 - devpts devpts rw,seclabel,gid=5,mode=620,ptmxmode=000
+22 35 0:17 / /run rw,nosuid,nodev shared:21 - tmpfs tmpfs rw,seclabel,mode=755
+23 16 0:18 / /sys/fs/cgroup rw,nosuid,nodev,noexec shared:9 - tmpfs tmpfs rw,seclabel,mode=755
+24 23 0:19 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd
+25 16 0:20 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:20 - pstore pstore rw
+26 23 0:21 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:11 - cgroup cgroup rw,cpuset,clone_children
+27 23 0:22 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:12 - cgroup cgroup rw,cpuacct,cpu,clone_children
+28 23 0:23 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,memory,clone_children
+29 23 0:24 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,devices,clone_children
+30 23 0:25 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,freezer,clone_children
+31 23 0:26 / /sys/fs/cgroup/net_cls rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,net_cls,clone_children
+32 23 0:27 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,blkio,clone_children
+33 23 0:28 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,perf_event,clone_children
+34 23 0:29 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,hugetlb,clone_children
+35 1 253:2 / / rw,relatime shared:1 - ext4 /dev/mapper/ssd-root--f20 rw,seclabel,data=ordered
+36 15 0:30 / /proc/sys/fs/binfmt_misc rw,relatime shared:22 - autofs systemd-1 rw,fd=38,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
+37 17 0:12 / /dev/mqueue rw,relatime shared:23 - mqueue mqueue rw,seclabel
+38 35 0:31 / /tmp rw shared:24 - tmpfs tmpfs rw,seclabel
+39 17 0:32 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw,seclabel
+40 16 0:7 / /sys/kernel/debug rw,relatime shared:26 - debugfs debugfs rw
+41 16 0:33 / /sys/kernel/config rw,relatime shared:27 - configfs configfs rw
+42 35 0:34 / /var/lib/nfs/rpc_pipefs rw,relatime shared:28 - rpc_pipefs sunrpc rw
+43 15 0:35 / /proc/fs/nfsd rw,relatime shared:29 - nfsd sunrpc rw
+45 35 8:17 / /boot rw,relatime shared:30 - ext4 /dev/sdb1 rw,seclabel,data=ordered
+46 35 253:4 / /home rw,relatime shared:31 - ext4 /dev/mapper/ssd-home rw,seclabel,data=ordered
+47 35 253:5 / /var/lib/libvirt/images rw,noatime,nodiratime shared:32 - ext4 /dev/mapper/ssd-virt rw,seclabel,discard,data=ordered
+48 35 253:12 / /mnt/old rw,relatime shared:33 - ext4 /dev/mapper/HelpDeskRHEL6-FedoraRoot rw,seclabel,data=ordered
+121 22 0:36 / /run/user/1000/gvfs rw,nosuid,nodev,relatime shared:104 - fuse.gvfsd-fuse gvfsd-fuse rw,user_id=1000,group_id=1000
+124 16 0:37 / /sys/fs/fuse/connections rw,relatime shared:107 - fusectl fusectl rw
+165 38 253:3 / /tmp/mnt rw,relatime shared:147 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
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+235 35 253:32 / /var/lib/docker/devicemapper/mnt/1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,relatime shared:217 - ext4 /dev/mapper/docker-253:2-425882-1a28059f29eda821578b1bb27a60cc71f76f846a551abefabce6efd0146dce9f rw,seclabel,discard,stripe=16,data=ordered
+239 35 253:33 / /var/lib/docker/devicemapper/mnt/e9aa60c60128cad1 rw,relatime shared:221 - ext4 /dev/mapper/docker-253:2-425882-e9aa60c60128cad1 rw,seclabel,discard,stripe=16,data=ordered
+243 35 253:34 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,relatime shared:225 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d-init rw,seclabel,discard,stripe=16,data=ordered
+247 35 253:35 / /var/lib/docker/devicemapper/mnt/5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,relatime shared:229 - ext4 /dev/mapper/docker-253:2-425882-5fec11304b6f4713fea7b6ccdcc1adc0a1966187f590fe25a8227428a8df275d rw,seclabel,discard,stripe=16,data=ordered
+31 21 0:23 / /DATA/foo_bla_bla rw,relatime - cifs //foo/BLA\040BLA\040BLA/ rw,sec=ntlm,cache=loose,unc=\\foo\BLA BLA BLA,username=my_login,domain=mydomain.com,uid=12345678,forceuid,gid=12345678,forcegid,addr=10.1.30.10,file_mode=0755,dir_mode=0755,nounix,rsize=61440,wsize=65536,actimeo=1`
 
 	ubuntuMountInfo = `15 20 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw
 16 20 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw
@@ -424,7 +426,7 @@ const (
 
 func TestParseFedoraMountinfo(t *testing.T) {
 	r := bytes.NewBuffer([]byte(fedoraMountinfo))
-	_, err := parseInfoFile(r)
+	_, err := parseInfoFile(r, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -432,7 +434,7 @@ func TestParseFedoraMountinfo(t *testing.T) {
 
 func TestParseUbuntuMountinfo(t *testing.T) {
 	r := bytes.NewBuffer([]byte(ubuntuMountInfo))
-	_, err := parseInfoFile(r)
+	_, err := parseInfoFile(r, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -440,7 +442,7 @@ func TestParseUbuntuMountinfo(t *testing.T) {
 
 func TestParseGentooMountinfo(t *testing.T) {
 	r := bytes.NewBuffer([]byte(gentooMountinfo))
-	_, err := parseInfoFile(r)
+	_, err := parseInfoFile(r, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -448,7 +450,7 @@ func TestParseGentooMountinfo(t *testing.T) {
 
 func TestParseFedoraMountinfoFields(t *testing.T) {
 	r := bytes.NewBuffer([]byte(fedoraMountinfo))
-	infos, err := parseInfoFile(r)
+	infos, err := parseInfoFile(r, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -474,3 +476,33 @@ func TestParseFedoraMountinfoFields(t *testing.T) {
 		t.Fatalf("expected %#v, got %#v", mi, infos[0])
 	}
 }
+
+func TestParseMountinfoFilters(t *testing.T) {
+	r := bytes.NewReader([]byte(fedoraMountinfo))
+
+	infos, err := parseInfoFile(r, SingleEntryFilter("/sys/fs/cgroup"))
+	assert.NilError(t, err)
+	assert.Equal(t, 1, len(infos))
+
+	r.Reset([]byte(fedoraMountinfo))
+	infos, err = parseInfoFile(r, SingleEntryFilter("nonexistent"))
+	assert.NilError(t, err)
+	assert.Equal(t, 0, len(infos))
+
+	r.Reset([]byte(fedoraMountinfo))
+	infos, err = parseInfoFile(r, PrefixFilter("/sys"))
+	assert.NilError(t, err)
+	// there are 18 entries starting with /sys in fedoraMountinfo
+	assert.Equal(t, 18, len(infos))
+
+	r.Reset([]byte(fedoraMountinfo))
+	infos, err = parseInfoFile(r, PrefixFilter("nonexistent"))
+	assert.NilError(t, err)
+	assert.Equal(t, 0, len(infos))
+
+	r.Reset([]byte(fedoraMountinfo))
+	infos, err = parseInfoFile(r, ParentsFilter("/sys/fs/cgroup/cpu,cpuacct"))
+	assert.NilError(t, err)
+	// there should be 4 results returned: /sys/fs/cgroup/cpu,cpuacct /sys/fs/cgroup /sys /
+	assert.Equal(t, 4, len(infos))
+}
diff --git a/components/engine/pkg/mount/mountinfo_unsupported.go b/components/engine/pkg/mount/mountinfo_unsupported.go
index 2ecc8baed8..fd16d3ed69 100644
--- a/components/engine/pkg/mount/mountinfo_unsupported.go
+++ b/components/engine/pkg/mount/mountinfo_unsupported.go
@@ -7,6 +7,6 @@ import (
 	"runtime"
 )
 
-func parseMountTable() ([]*Info, error) {
+func parseMountTable(f FilterFunc) ([]*Info, error) {
 	return nil, fmt.Errorf("mount.parseMountTable is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
 }
diff --git a/components/engine/pkg/mount/mountinfo_windows.go b/components/engine/pkg/mount/mountinfo_windows.go
index 7ecba7c13a..27e0f6976e 100644
--- a/components/engine/pkg/mount/mountinfo_windows.go
+++ b/components/engine/pkg/mount/mountinfo_windows.go
@@ -1,6 +1,6 @@
 package mount // import "github.com/docker/docker/pkg/mount"
 
-func parseMountTable() ([]*Info, error) {
+func parseMountTable(f FilterFunc) ([]*Info, error) {
 	// Do NOT return an error!
 	return nil, nil
 }
diff --git a/components/engine/volume/local/local.go b/components/engine/volume/local/local.go
index df1299d668..226a5dd4fb 100644
--- a/components/engine/volume/local/local.go
+++ b/components/engine/volume/local/local.go
@@ -19,7 +19,6 @@ import (
 	"github.com/docker/docker/pkg/mount"
 	"github.com/docker/docker/volume"
 	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
 )
 
 // VolumeDataPathName is the name of the directory where the volume data is stored.
@@ -66,11 +65,6 @@ func New(scope string, rootIDs idtools.IDPair) (*Root, error) {
 		return nil, err
 	}
 
-	mountInfos, err := mount.GetMounts()
-	if err != nil {
-		logrus.Debugf("error looking up mounts for local volume cleanup: %v", err)
-	}
-
 	for _, d := range dirs {
 		if !d.IsDir() {
 			continue
@@ -96,12 +90,7 @@ func New(scope string, rootIDs idtools.IDPair) (*Root, error) {
 			}
 
 			// unmount anything that may still be mounted (for example, from an unclean shutdown)
-			for _, info := range mountInfos {
-				if info.Mountpoint == v.path {
-					mount.Unmount(v.path)
-					break
-				}
-			}
+			mount.Unmount(v.path)
 		}
 	}
 
diff --git a/components/engine/volume/local/local_test.go b/components/engine/volume/local/local_test.go
index e26fdd6386..d6f6e29171 100644
--- a/components/engine/volume/local/local_test.go
+++ b/components/engine/volume/local/local_test.go
@@ -184,6 +184,10 @@ func TestCreateWithOpts(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		t.Skip()
 	}
+	if os.Getuid() != 0 {
+		t.Skip("root required")
+	}
+
 	rootDir, err := ioutil.TempDir("", "local-volume-test")
 	if err != nil {
 		t.Fatal(err)
@@ -215,33 +219,27 @@ func TestCreateWithOpts(t *testing.T) {
 		}
 	}()
 
-	mountInfos, err := mount.GetMounts()
+	mountInfos, err := mount.GetMounts(mount.SingleEntryFilter(dir))
 	if err != nil {
 		t.Fatal(err)
 	}
-
-	var found bool
-	for _, info := range mountInfos {
-		if info.Mountpoint == dir {
-			found = true
-			if info.Fstype != "tmpfs" {
-				t.Fatalf("expected tmpfs mount, got %q", info.Fstype)
-			}
-			if info.Source != "tmpfs" {
-				t.Fatalf("expected tmpfs mount, got %q", info.Source)
-			}
-			if !strings.Contains(info.VfsOpts, "uid=1000") {
-				t.Fatalf("expected mount info to have uid=1000: %q", info.VfsOpts)
-			}
-			if !strings.Contains(info.VfsOpts, "size=1024k") {
-				t.Fatalf("expected mount info to have size=1024k: %q", info.VfsOpts)
-			}
-			break
-		}
+	if len(mountInfos) != 1 {
+		t.Fatalf("expected 1 mount, found %d: %+v", len(mountInfos), mountInfos)
 	}
 
-	if !found {
-		t.Fatal("mount not found")
+	info := mountInfos[0]
+	t.Logf("%+v", info)
+	if info.Fstype != "tmpfs" {
+		t.Fatalf("expected tmpfs mount, got %q", info.Fstype)
+	}
+	if info.Source != "tmpfs" {
+		t.Fatalf("expected tmpfs mount, got %q", info.Source)
+	}
+	if !strings.Contains(info.VfsOpts, "uid=1000") {
+		t.Fatalf("expected mount info to have uid=1000: %q", info.VfsOpts)
+	}
+	if !strings.Contains(info.VfsOpts, "size=1024k") {
+		t.Fatalf("expected mount info to have size=1024k: %q", info.VfsOpts)
 	}
 
 	if v.active.count != 1 {