util: Add netdev helper functions to private symbols
util: Add netdev helper functions to private symbols

Signed-off-by: Eli Qiao <854e5389189c602562c9afafbb2825f361163dd6@linux.vnet.ibm.com>

nertpinx/libvirt,zippy2/libvirt,eskultety/libvirt,andreabolognani/libvirt,eskultety/libvirt,jeckersb/libvirt,emaste/libvirt,rmarwaha/libvirt,jfehlig/libvirt,jfehlig/libvirt,elmarco/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,crobinso/libvirt,leilihh/libvirt,fabianfreyer/libvirt,wiedi/libvirt,zhlcindy/libvirt-1.1.4-maintain,dumbbell/libvirt,jeckersb/libvirt,jardasgit/libvirt,foomango/libvirt,rmarwaha/libvirt1,trainstack/libvirt,warewolf/libvirt,jeckersb/libvirt,taget/libvirt,olafhering/libvirt,crobinso/libvirt,foomango/libvirt,novel/fbsd-libvirt,rlaager/libvirt,cbosdo/libvirt,rmarwaha/libvirt,agx/libvirt,elmarco/libvirt,iam-TJ/libvirt,leilihh/libvirt,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,emaste/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,jardasgit/libvirt,cbosdo/libvirt,andreabolognani/libvirt,jeckersb/libvirt,cbosdo/libvirt,novel/fbsd-libvirt,crobinso/libvirt,siboulet/libvirt-openvz,taget/libvirt,rmarwaha/libvirt1,nertpinx/libvirt,leilihh/libvirt,elmarco/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt1,jardasgit/libvirt,rmarwaha/libvirt,shugaoye/libvirt,warewolf/libvirt,fabianfreyer/libvirt,novel/fbsd-libvirt,novel/fbsd-libvirt,taget/libvirt,trainstack/libvirt,eskultety/libvirt,olafhering/libvirt,iam-TJ/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,shugaoye/libvirt,leilihh/libvirt,foomango/libvirt,wiedi/libvirt,nertpinx/libvirt,datto/libvirt,dumbbell/libvirt,warewolf/libvirt,agx/libvirt,leilihh/libvirt,jardasgit/libvirt,dumbbell/libvirt,elmarco/libvirt,libvirt/libvirt,siboulet/libvirt-openvz,bjzhang/libvirt,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,iam-TJ/libvirt,crobinso/libvirt,VenkatDatta/libvirt,jeckersb/libvirt,zippy2/libvirt,siboulet/libvirt-openvz,emaste/libvirt,bjzhang/libvirt,danwent/libvirt-ovs,fabianfreyer/libvirt,foomango/libvirt,danwent/libvirt-ovs,rlaager/libvirt,rmarwaha/libvirt,zippy2/libvirt,libvirt/libvirt,novel/fbsd-libvirt,wiedi/libvirt,danwent/libvirt-ovs,trainstack/libvirt,trainstack/libvirt,jeckersb/libvirt,zippy2/libvirt,rlaager/libvirt,VenkatDatta/libvirt,siboulet/libvirt-openvz,danwent/libvirt-ovs,warewolf/libvirt,libvirt/libvirt,dumbbell/libvirt,rmarwaha/libvirt,danwent/libvirt-ovs,novel/fbsd-libvirt,iam-TJ/libvirt,trainstack/libvirt,shugaoye/libvirt,jfehlig/libvirt,bjzhang/libvirt,wiedi/libvirt,zhlcindy/libvirt-1.1.4-maintain,rmarwaha/libvirt1,taget/libvirt,nertpinx/libvirt,shugaoye/libvirt,novel/fbsd-libvirt,wiedi/libvirt,datto/libvirt,emaste/libvirt,taget/libvirt,emaste/libvirt,emaste/libvirt,siboulet/libvirt-openvz,dumbbell/libvirt,nertpinx/libvirt,eskultety/libvirt,jeckersb/libvirt,bjzhang/libvirt,datto/libvirt,elmarco/libvirt,warewolf/libvirt,iam-TJ/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,novel/fbsd-libvirt,agx/libvirt,iam-TJ/libvirt,wiedi/libvirt,VenkatDatta/libvirt,agx/libvirt,olafhering/libvirt,rmarwaha/libvirt,leilihh/libvirt,datto/libvirt,cbosdo/libvirt,trainstack/libvirt,shugaoye/libvirt,agx/libvirt,trainstack/libvirt,cbosdo/libvirt,rlaager/libvirt,rmarwaha/libvirt1,emaste/libvirt,eskultety/libvirt,wiedi/libvirt,bjzhang/libvirt,jardasgit/libvirt,andreabolognani/libvirt,datto/libvirt,olafhering/libvirt,foomango/libvirt