coverity: free mounts on error path Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

Don't include mntent when lxcmntent is used Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

Attempt to fix bionic builds of unmount-namespace Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

added the unmount-namespace hook Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>