A couple of API VFS we mount via .mount units. Let's set the three flags
for those too, just in case.
This is just paranoia, nothing else, but shouldn't hurt.
What=mqueue
Where=/dev/mqueue
Type=mqueue
+Options=nosuid,nodev,noexec
What=binfmt_misc
Where=/proc/sys/fs/binfmt_misc
Type=binfmt_misc
+Options=nosuid,nodev,noexec
What=fusectl
Where=/sys/fs/fuse/connections
Type=fusectl
+Options=nosuid,nodev,noexec
What=configfs
Where=/sys/kernel/config
Type=configfs
+Options=nosuid,nodev,noexec
What=debugfs
Where=/sys/kernel/debug
Type=debugfs
+Options=nosuid,nodev,noexec