Comment 18 for bug 1545707

Scanning the system, tmp.mount is only found into /ust/share/systemd/

oem@u64:~$ ls -la /usr/share/systemd/
total 28
drwxr-xr-x 2 root root 4096 Apr 12 13:08 .
drwxr-xr-x 342 root root 12288 Apr 13 09:22 ..
-rw-r--r-- 1 root root 3564 Apr 12 12:34 kbd-model-map
-rw-r--r-- 1 root root 146 Apr 12 12:34 language-fallback-map
-rw-r--r-- 1 root root 661 Apr 12 12:34 tmp.mount