sk-unix: Move out interconnected pair setup
sk-unix: Move out interconnected pair setup

Signed-off-by: Kirill Tkhai <e5b39230c99b4d3ebd6aa54f6d823f95134bc39d@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

efiop/criu,KKoukiou/criu-remote,eabatalov/criu,eabatalov/criu,eabatalov/criu,KKoukiou/criu-remote,efiop/criu,efiop/criu,efiop/criu,KKoukiou/criu-remote,KKoukiou/criu-remote,KKoukiou/criu-remote,KKoukiou/criu-remote,eabatalov/criu,eabatalov/criu,efiop/criu,eabatalov/criu,efiop/criu