tests: dump/restore a container with cgroups
tests: dump/restore a container with cgroups

Signed-off-by: Andrey Vagin <74c05afa918858348d6db8037d82fa8124870113@openvz.org>

ekuric/runc,abduld/runc,xiaochenshen/runc,balajibr/runc,nkwilson/runc,estesp/runc,aidanhs/runc,cxxly/runc,rajasec/runc,inatatsu/runc,adrianreber/runc,opencontainers/runc,kolyshkin/runc,talwai/runc,adrianreber/runc,intfrr/runc,rajasec/runc,mikebrow/runc,WeiZhang555/runc,marcosnils/runc,kolyshkin/runc,xiaochenshen/runc,rajasec/runc,hxfeng/runc,albertoleal/runc,nkwilson/runc,hqhq/runc,WeiZhang555/runc,estesp/runc,crosbymichael/runc,han-wang/runc,marcosnils/runc,willmtemple/runc,ddnbgroup/runc,coolljt0725/runc,HuKeping/runc,zenlinTechnofreak/runc,YujiOshima/runc,vbatts/runc,fabiokung/runc,boucher/runc,InformatiQ/runc,markllama/runc,booyaa/runc,talwai/runc,stefanberger/runc,laijs/runc,coolljt0725/runc,ekuric/runc,wangkirin/runc,HuKeping/runc,carlye566/runc,dqminh/runc,talwai/runc,abduld/runc,HuKeping/runc,docker/runc,sallyom/runc,estesp/runc,laijs/runc,ZJU-SEL/runc,WeiZhang555/runc,avagin/runc,kolyshkin/runc,axsh/runc,docker/runc,docker/runc,fabiokung/runc,wangkirin/runc,hxfeng/runc,mYmNeo/runc,cxxly/runc,runcom/runc,jhowardmsft/runc,zenlinTechnofreak/runc,dqminh/runc,hxfeng/runc,justincormack/runc,cyphar/runc,jhowardmsft/runc,abduld/runc,kolyshkin/runc,rhatdan/runc,HardikDR/runc,keloyang/runc,balajibr/runc,InformatiQ/runc,sunyuan3/runc,shishir-a412ed/runc,liuwharton/runc,mYmNeo/runc,cyphar/runc,rhatdan/runc,keloyang/runc,chenchun/runc,avagin/runc,vbatts/runc,chenchun/runc,maxamillion/runc,YujiOshima/runc,han-wang/runc,navidshaikh/runc,carlye566/runc,aidanhs/runc,ZJU-SEL/runc,wking/runc,cloudfoundry-incubator/runc,booyaa/runc,stefanberger/runc,carlye566/runc,aidanhs/runc,keloyang/runc,wangkirin/runc,crosbymichael/runc,cxxly/runc,subuser-security/runc,maxamillion/runc,mikebrow/runc,subuser-security/runc,intfrr/runc,meihuabo/runc,fabiokung/runc,wcwxyz/runc,dqminh/runc,kimh/runc,cyphar/runc,zenlinTechnofreak/runc,vbatts/runc,laijs/runc,jhowardmsft/runc,mheon/runc,markllama/runc,boucher/runc,wking/runc,rhatdan/runc,intfrr/runc,inatatsu/runc,cloudfoundry-incubator/runc,hqhq/runc,rhatdan/runc,mheon/runc,willmtemple/runc,marcosnils/runc,balajibr/runc,ekuric/runc,sunyuan3/runc,nkwilson/runc,subuser-security/runc,kimh/runc,dqminh/runc,gitido/runc,sallyom/runc,justincormack/runc,markllama/runc,gitido/runc,HardikDR/runc,axsh/runc,liuwharton/runc,mikebrow/runc,xiaochenshen/runc,sunyuan3/runc,meihuabo/runc,opencontainers/runc,wcwxyz/runc,justincormack/runc,axsh/runc,navidshaikh/runc,coolljt0725/runc,YujiOshima/runc,ZJU-SEL/runc,avagin/runc,HardikDR/runc,meihuabo/runc,adrianreber/runc,runcom/runc,albertoleal/runc,booyaa/runc,maxamillion/runc,crosbymichael/runc,runcom/runc,chenchun/runc,opencontainers/runc,albertoleal/runc,wking/runc,liuwharton/runc,cloudfoundry-incubator/runc,boucher/runc,stefanberger/runc,gitido/runc,han-wang/runc,hqhq/runc,shishir-a412ed/runc,shishir-a412ed/runc,wcwxyz/runc,ddnbgroup/runc,willmtemple/runc,mYmNeo/runc,InformatiQ/runc,opencontainers/runc,ddnbgroup/runc,mheon/runc,kimh/runc,navidshaikh/runc,sallyom/runc,inatatsu/runc