Fix leaking file descriptor in NetNs strategy
Fix leaking file descriptor in NetNs strategy

Docker-DCO-1.1-Signed-off-by: Hugo Duncan <hugo@hugoduncan.org> (github: hugoduncan)

aidanhs/runc,cxxly/runc,marcosnils/runc,liuwharton/runc,dieface/runc,stefanberger/runc,vbatts/runc,Mashimiao/libcontainer,markllama/runc,shakamunyi/libcontainer,dqminh/runc,crosbymichael/libcontainer,ZJU-SEL/runc,SaiedKazemi/libcontainer-criu,chenchun/runc,icecrime/libcontainer,opencontainers/runc,kolyshkin/runc,ZJU-SEL/libcontainer,xiaochenshen/runc,justincormack/runc,BrickXu/libcontainer,ddnbgroup/runc,rajasec/runc,intfrr/runc,gitido/runc,estesp/runc,docker/libcontainer,jhowardmsft/runc,hxfeng/runc,inatatsu/runc,hxfeng/runc,meihuabo/runc,zhangyancoder/libcontainer,xiaochenshen/runc,adrianreber/runc,mYmNeo/runc,clnperez/runc,han-wang/runc,avagin/libcontainer,wcwxyz/runc,willmtemple/runc,rhatdan/runc,SaiedKazemi/libcontainer-criu,marcosnils/runc,coolljt0725/runc,InformatiQ/runc,cloudfoundry-incubator/runc,InformatiQ/runc,crosbymichael/runc,rsampaio/runc,wking/runc,inatatsu/runc,han-wang/runc,LK4D4/runc,liuwharton/runc,mapk0y/runc,kimh/runc,ZJU-SEL/runc,runcom/runc,nkwilson/runc,ZJU-SEL/libcontainer,zenlinTechnofreak/runc,jhjeong-kr/runc,rootfs/runc,runcom/runc,chenchun/runc,gitido/runc,rhatdan/libcontainer,dqminh/libcontainer,estesp/runc,ZJU-SEL/libcontainer,abduld/runc,aidanhs/runc,shishir-a412ed/runc,mheon/libcontainer,keloyang/libcontainer,Microsoft/libcontainer,estesp/libcontainer,rsampaio/runc,ekuric/runc,unclejack/libcontainer,sallyom/runc,WeiZhang555/runc,fabiokung/runc,ycaihua/libcontainer,jhowardmsft/runc,calavera/runc,han-wang/runc,mheon/runc,coolljt0725/runc,mrunalp/runc,axsh/runc,maxamillion/runc,docker/runc,Microsoft/libcontainer,carlye566/runc,whuwxl/libcontainer,adrianreber/runc,crosbymichael/libcontainer,subuser-security/runc,liuwharton/runc,LTD-Beget/libcontainer,cyphar/runc,HuKeping/runc,whuwxl/libcontainer,keloyang/libcontainer,boucher/libcontainer,mrunalp/libcontainer,runcom/libcontainer,coolljt0725/runc,wangkirin/runc,hqhq/runc,whosthatknocking/runc,InformatiQ/runc,hqhq/libcontainer,SaiedKazemi/libcontainer-criu,adrianreber/runc,subuser-security/runc,meihuabo/runc,subuser-security/runc,rhatdan/runc,crosbymichael/runc,ZJU-SEL/runc,kolyshkin/runc,ekuric/runc,opencontainers/runc,icecrime/libcontainer,haijunTan/runc,axsh/runc,unclejack/libcontainer,zenlinTechnofreak/runc,shakamunyi/libcontainer,boucher/runc,ycaihua/runc,thaJeztah/libcontainer,avagin/libcontainer,rootfs/runc,albertoleal/runc,estesp/runc,boucher/libcontainer,kimh/runc,w4ngyi/libcontainer,unclejack/libcontainer,Mashimiao/libcontainer,wcwxyz/runc,jwuwork/runc,ddnbgroup/runc,intfrr/runc,shenxiaochen/libcontainer,markllama/runc,crosbymichael/runc,HuKeping/runc,keloyang/libcontainer,docker/runc,mheon/libcontainer,lizf-os/runc,hqhq/libcontainer,LK4D4/runc,talwai/runc,shakamunyi/libcontainer,wangkirin/runc,cloudfoundry-incubator/runc,whuwxl/libcontainer,navidshaikh/runc,sunyuan3/runc,rhatdan/libcontainer,tangkun75/libcontainer,ycaihua/libcontainer,BrickXu/libcontainer,willmtemple/runc,mrunalp/runc,rajasec/runc,opencontainers/runc,avagin/libcontainer,keloyang/runc,YujiOshima/runc,shishir-a412ed/runc,mheon/runc,whosthatknocking/runc,vbatts/runc,laijs/runc,navidshaikh/runc,estesp/libcontainer,ycaihua/runc,shenxiaochen/libcontainer,hqhq/runc,HardikDR/runc,dqminh/runc,mikebrow/runc,dieface/runc,cxxly/runc,navidshaikh/runc,axsh/runc,kolyshkin/runc,stefanberger/runc,hqhq/libcontainer,mikebrow/runc,intfrr/runc,mikebrow/runc,docker/runc,carlye566/runc,dqminh/runc,wking/runc,jhjeong-kr/runc,clnperez/runc,wking/runc,balajibr/runc,rajasec/runc,mrunalp/libcontainer,balajibr/runc,dqminh/libcontainer,laijs/runc,zhangyancoder/libcontainer,carlye566/runc,clnperez/runc,gitido/runc,willmtemple/runc,laijs/runc,mheon/runc,zhangyancoder/libcontainer,whosthatknocking/runc,markllama/runc,keloyang/runc,abduld/runc,ddnbgroup/runc,w4ngyi/libcontainer,sallyom/runc,runcom/libcontainer,crosbymichael/libcontainer,opencontainers/runc,justincormack/runc,stefanberger/runc,maxamillion/runc,boucher/runc,chenchun/runc,mrunalp/libcontainer,WeiZhang555/runc,LTD-Beget/libcontainer,tangkun75/libcontainer,boucher/runc,HuKeping/runc,ekuric/runc,fabiokung/runc,rhatdan/runc,ChengTiesheng/runc,mheon/libcontainer,kimh/runc,dqminh/libcontainer,LK4D4/runc,maxamillion/runc,keloyang/runc,kolyshkin/runc,Microsoft/libcontainer,mrunalp/runc,ycaihua/libcontainer,haijunTan/runc,w4ngyi/libcontainer,nkwilson/runc,cyphar/runc,zenlinTechnofreak/runc,BrickXu/libcontainer,YujiOshima/runc,gwoo/runc,justincormack/runc,booyaa/runc,sunyuan3/runc,HardikDR/runc,avagin/runc,xiaochenshen/runc,avagin/runc,mapk0y/runc,WeiZhang555/runc,marcosnils/runc,jwuwork/runc,wangkirin/runc,docker/libcontainer,hqhq/runc,albertoleal/runc,ycaihua/runc,LTD-Beget/libcontainer,meihuabo/runc,jhowardmsft/runc,cyphar/runc,boucher/libcontainer,thaJeztah/libcontainer,docker/libcontainer,runcom/libcontainer,mapk0y/runc,haijunTan/runc,ChengTiesheng/runc,shenxiaochen/libcontainer,HardikDR/runc,calavera/runc,shishir-a412ed/runc,estesp/libcontainer,jwuwork/runc,fabiokung/runc,tangkun75/libcontainer,avagin/runc,cxxly/runc,booyaa/runc,talwai/runc,keloyang/libcontainer,lizf-os/runc,ChengTiesheng/runc,rhatdan/runc,calavera/runc,sunyuan3/runc,vbatts/runc,aidanhs/runc,mYmNeo/runc,booyaa/runc,dieface/runc,cloudfoundry-incubator/runc,balajibr/runc,jhjeong-kr/runc,dqminh/runc,thaJeztah/libcontainer,abduld/runc,nkwilson/runc,rootfs/runc,icecrime/libcontainer,inatatsu/runc,YujiOshima/runc,runcom/runc,talwai/runc,lizf-os/runc,hxfeng/runc,rhatdan/libcontainer,Mashimiao/libcontainer,sallyom/runc,mYmNeo/runc,albertoleal/runc,wcwxyz/runc,rsampaio/runc