Also make output a bit more fancy, as

CR_FD_UNIXSK: unixsk-2440.img
----------------------------------------
fd    3 type  1 state  1 namelen    0 id  19406 peer  19407
fd    4 type  1 state  1 namelen    0 id  19407 peer  19406
fd    5 type  2 state  7 namelen    7 id  19408 peer      0	---> [tst-sk]
fd    6 type  2 state  7 namelen    0 id  19409 peer      0
fd    7 type  2 state  7 namelen    0 id  19410 peer  19411
fd    8 type  2 state  7 namelen    8 id  19411 peer      0	---> [tst-sk1]
----------------------------------------
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>