Create mountpoints also on restore
Create mountpoints also on restore

runc creates all missing mountpoints when it starts a container, this
commit also creates those mountpoints during restore. Now it is possible
to restore a container using the same, but newly created rootfs just as
during container start.

Signed-off-by: Adrian Reber <9f82b3db7475afbb412180fe9fab7c69d6ece340@redhat.com>

justincormack/runc,estesp/runc,opencontainers/runc,mYmNeo/runc,mikebrow/runc,dqminh/runc,rhatdan/runc,opencontainers/runc,rhatdan/runc,estesp/runc,xiaochenshen/runc,kolyshkin/runc,xiaochenshen/runc,adrianreber/runc,dqminh/runc,dqminh/runc,adrianreber/runc,estesp/runc,kolyshkin/runc,mheon/runc,mikebrow/runc,mYmNeo/runc,rhatdan/runc,kolyshkin/runc,dqminh/runc,kolyshkin/runc,justincormack/runc,xiaochenshen/runc,adrianreber/runc,rhatdan/runc,opencontainers/runc,mheon/runc,opencontainers/runc,justincormack/runc,mheon/runc,mYmNeo/runc,mikebrow/runc