So I went to a small, 3day trip to Russia. I couldnt believe it when I suddenly had no brakes in the middle of the road with heavy traffic. Although those bolts are not meant to be tightened with Loctite, i strongly recommend using it.
Look what happened:
http://album.piipz.com/displayimage.php?album=13&pos=0
Yes - it came totally loose and just hanged there by the oil line.
Luckily i had low speed and I managed to stop the fully loaded bike with just the rear brake. But it was close :P And luckily I found a dude within 500m radius who got me new bolts.

But the roads in Russia.....