Add cgroup name to error message
More information should help troubleshoot an issue when this error occurs.
@@ -325,7 +325,7 @@ func createCgroupConfig(opts *CreateOpts) (*configs.Cgroup, error) {
// for e.g. "system.slice:docker:1234"
parts := strings.Split(myCgroupPath, ":")
if len(parts) != 3 {
- return nil, fmt.Errorf("expected cgroupsPath to be of format \"slice:prefix:name\" for systemd cgroups")
+ return nil, fmt.Errorf("expected cgroupsPath to be of format \"slice:prefix:name\" for systemd cgroups, got %q instead", myCgroupPath)
}
c.Parent = parts[0]
c.ScopePrefix = parts[1]
