nwfilter: Free nwfilter hash of virConnectPtr
nwfilter: Free nwfilter hash of virConnectPtr

And close the driver on connection close.

VenkatDatta/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,taget/libvirt,nertpinx/libvirt,leilihh/libvirt,soulxu/libvirt-xuhj,nertpinx/libvirt,jfehlig/libvirt,elmarco/libvirt,trainstack/libvirt,crobinso/libvirt,VenkatDatta/libvirt,rlaager/libvirt,warewolf/libvirt,rmarwaha/libvirt1,iam-TJ/libvirt,rmarwaha/libvirt,zippy2/libvirt,wiedi/libvirt,jeckersb/libvirt,libvirt/libvirt,dumbbell/libvirt,soulxu/libvirt-xuhj,agx/libvirt,soulxu/libvirt-xuhj,crobinso/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,danwent/libvirt-ovs,olafhering/libvirt,trainstack/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,nertpinx/libvirt,rlaager/libvirt,kantai/libvirt-vfork,andreabolognani/libvirt,eskultety/libvirt,novel/fbsd-libvirt,datto/libvirt,bjzhang/libvirt,elmarco/libvirt,jardasgit/libvirt,foomango/libvirt,agx/libvirt,warewolf/libvirt,datto/libvirt,rmarwaha/libvirt,jeckersb/libvirt,rmarwaha/libvirt1,bjzhang/libvirt,trainstack/libvirt,bjzhang/libvirt,jardasgit/libvirt,olafhering/libvirt,amery/libvirt-vserver,zippy2/libvirt,jeckersb/libvirt,warewolf/libvirt,rlaager/libvirt,usc-isi/libvirt,warewolf/libvirt,eskultety/libvirt,soulxu/libvirt-xuhj,andreabolognani/libvirt,kantai/libvirt-vfork,rmarwaha/libvirt,kantai/libvirt-vfork,emaste/libvirt,wiedi/libvirt,siboulet/libvirt-openvz,iam-TJ/libvirt,rmarwaha/libvirt1,zippy2/libvirt,datto/libvirt,emaste/libvirt,usc-isi/libvirt,bjzhang/libvirt,jeckersb/libvirt,taget/libvirt,dumbbell/libvirt,amery/libvirt-vserver,leilihh/libvirt,libvirt/libvirt,taget/libvirt,siboulet/libvirt-openvz,taget/libvirt,wiedi/libvirt,fabianfreyer/libvirt,novel/fbsd-libvirt,jardasgit/libvirt,emaste/libvirt,nertpinx/libvirt,libvirt/libvirt,datto/libvirt,rmarwaha/libvirt,usc-isi/libvirt,novel/fbsd-libvirt,jeckersb/libvirt,kantai/libvirt-vfork,trainstack/libvirt,emaste/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,rlaager/libvirt,elmarco/libvirt,agx/libvirt,usc-isi/libvirt,foomango/libvirt,danwent/libvirt-ovs,danwent/libvirt-ovs,rbu/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,olafhering/libvirt,leilihh/libvirt,amery/libvirt-vserver,agx/libvirt,jfehlig/libvirt,warewolf/libvirt,emaste/libvirt,elmarco/libvirt,wiedi/libvirt,rmarwaha/libvirt1,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,jfehlig/libvirt,wiedi/libvirt,dumbbell/libvirt,siboulet/libvirt-openvz,danwent/libvirt-ovs,cbosdo/libvirt,shugaoye/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jeckersb/libvirt,leilihh/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,iam-TJ/libvirt,rmarwaha/libvirt,siboulet/libvirt-openvz,shugaoye/libvirt,usc-isi/libvirt,dumbbell/libvirt,eskultety/libvirt,novel/fbsd-libvirt,zhlcindy/libvirt-1.1.4-maintain,danwent/libvirt-ovs,wiedi/libvirt,taget/libvirt,cbosdo/libvirt,trainstack/libvirt,foomango/libvirt,crobinso/libvirt,elmarco/libvirt,jeckersb/libvirt,jardasgit/libvirt,iam-TJ/libvirt,cbosdo/libvirt,siboulet/libvirt-openvz,novel/fbsd-libvirt,warewolf/libvirt,novel/fbsd-libvirt,emaste/libvirt,novel/fbsd-libvirt,andreabolognani/libvirt,shugaoye/libvirt,andreabolognani/libvirt,crobinso/libvirt,rlaager/libvirt,leilihh/libvirt,rbu/libvirt,nertpinx/libvirt,zhlcindy/libvirt-1.1.4-maintain,trainstack/libvirt,warewolf/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,dumbbell/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,kantai/libvirt-vfork,soulxu/libvirt-xuhj,zhlcindy/libvirt-1.1.4-maintain,iam-TJ/libvirt,wiedi/libvirt,datto/libvirt,libvirt/libvirt,dumbbell/libvirt,foomango/libvirt,rbu/libvirt,rmarwaha/libvirt1,novel/fbsd-libvirt,leilihh/libvirt,bjzhang/libvirt,foomango/libvirt,emaste/libvirt,rmarwaha/libvirt1,agx/libvirt,andreabolognani/libvirt,shugaoye/libvirt,rbu/libvirt,eskultety/libvirt,VenkatDatta/libvirt,amery/libvirt-vserver,shugaoye/libvirt,cbosdo/libvirt,amery/libvirt-vserver,zippy2/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,eskultety/libvirt,rbu/libvirt,trainstack/libvirt,rmarwaha/libvirt