proc: show a string in a error message if we can't parse it
proc: show a string in a error message if we can't parse it

Signed-off-by: Andrey Vagin <74c05afa918858348d6db8037d82fa8124870113@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

LK4D4/criu,rentzsch/criu,gablg1/criu,fbocharov/criu,eabatalov/criu,KKoukiou/criu-remote,AuthenticEshkinKot/criu,rentzsch/criu,LK4D4/criu,wtf42/criu,eabatalov/criu,gonkulator/criu,eabatalov/criu,gablg1/criu,gonkulator/criu,fbocharov/criu,efiop/criu,wtf42/criu,wtf42/criu,ldu4/criu,AuthenticEshkinKot/criu,KKoukiou/criu-remote,ldu4/criu,efiop/criu,svloyso/criu,gablg1/criu,AuthenticEshkinKot/criu,gonkulator/criu,ldu4/criu,svloyso/criu,svloyso/criu,wtf42/criu,eabatalov/criu,ldu4/criu,fbocharov/criu,tych0/criu,rentzsch/criu,KKoukiou/criu-remote,LK4D4/criu,wtf42/criu,marcosnils/criu,efiop/criu,KKoukiou/criu-remote,tych0/criu,svloyso/criu,gablg1/criu,AuthenticEshkinKot/criu,wtf42/criu,marcosnils/criu,fbocharov/criu,rentzsch/criu,rentzsch/criu,ldu4/criu,tych0/criu,rentzsch/criu,marcosnils/criu,marcosnils/criu,gonkulator/criu,efiop/criu,efiop/criu,efiop/criu,KKoukiou/criu-remote,tych0/criu,fbocharov/criu,fbocharov/criu,svloyso/criu,AuthenticEshkinKot/criu,gablg1/criu,LK4D4/criu,gonkulator/criu,gablg1/criu,eabatalov/criu,svloyso/criu,KKoukiou/criu-remote,ldu4/criu,LK4D4/criu,marcosnils/criu,gonkulator/criu,LK4D4/criu,tych0/criu,marcosnils/criu,eabatalov/criu,AuthenticEshkinKot/criu,tych0/criu