Bug with disk device with snapshots!

[pavel-odintsov]

We should add support for snapshots.

vzctl mount 1202
Opening delta /vz/private/1202/root.hdd/root.hdd
Adding delta dev=/dev/ploop41029 img=/vz/private/1202/root.hdd/root.hdd (ro)
Adding delta dev=/dev/ploop41029 img=/vz/private/1202/root.hdd/root.hdd.{dc94e2dc-b9e4-4664-bc59-9dce3b70b86a} (rw)
/dev/ploop41029p1: clean, 59574/1048576 files, 549567/4193792 blocks
Mounting /dev/ploop41029p1 at /vz/root/1202 fstype=ext4 data='balloon_ino=12,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,'
Container is mounted

And we got errors =(