As macOS does not support the abstract socket namespace, use a temporary socket in $TMPDIR to connect with the plugin. Ensure this socket is cleaned up even in the case of crash/ungraceful termination by removing it after the first connection is accepted. Co-authored-by: Laura Brehm <laurabrehm@hey.com> Signed-off-by: Bjorn Neergaard <bjorn.neergaard@docker.com>