You can see two equal inode numbers with differen devices and
it was a reason why the test failed.

4: C: 12491/12495/12496
4: c: 1: POSIX  ADVISORY  WRITE 0 fc:03:12468 0 EOF
4: c: 2: POSIX  ADVISORY  READ  0 fc:03:12421 0 EOF
4: c: 3: POSIX  ADVISORY  WRITE 0 00:14:16285 0 EOF
4: c: 4: FLOCK  MSNFS     READ  4 fc:03:12496 0 EOF
4: c: 5: FLOCK  ADVISORY  WRITE 4 fc:03:12495 0 EOF
4: c: 6: FLOCK  ADVISORY  READ  4 fc:03:12491 0 EOF
4: c: 7: POSIX  ADVISORY  WRITE 0 00:14:16280 0 EOF
4: c: 8: POSIX  ADVISORY  WRITE 0 00:14:12677 0 EOF
4: c: 9: FLOCK  ADVISORY  WRITE 0 00:14:12520 0 EOF
4: c: 10: FLOCK  ADVISORY  WRITE 0 00:14:12495 0 EOF
Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>