units: don't try to mount the mqueue fs if we lack the privileges for it

See https://github.com/systemd/systemd/pull/2576#discussion-diff-52592680

diff --git a/units/dev-mqueue.mount b/units/dev-mqueue.mount
index 5c11ca7d35023fc06b1831fca01f88f8218b43f4..8d29f96ca62c90160a838c2a8849d66df7e93e9a 100644 (file)
--- a/units/dev-mqueue.mount
+++ b/units/dev-mqueue.mount
@@ -12,6 +12,7 @@ Documentation=http://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
 DefaultDependencies=no
 Before=sysinit.target
 ConditionPathExists=/proc/sys/fs/mqueue
+ConditionCapability=CAP_SYS_ADMIN
 
 [Mount]
 What=mqueue