This was causing the host /dev/mqueue to be remapped to the daemon's user namespace range root user and group. Given the perms are open on the mqueue path, there is no need to chown this path at all. Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp) Upstream-commit: 0faee5896d5cd389cb022f6cea050bbf1bfd9443 Component: engine