Make ip_command work with posix shells
Make ip_command work with posix shells

brk3/vagrant-libvirt,skamithi/vagrant-libvirt,d0c-s4vage/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,Paulche/vagrant-libvirt,JulianVolodia/vagrant-libvirt,joejulian/vagrant-libvirt,tkrille/vagrant-libvirt,dustymabe/vagrant-libvirt,timhughes/vagrant-libvirt,swizzley/vagrant-libvirt,skamithi/vagrant-libvirt,infernix/vagrant-libvirt,electrofelix/vagrant-libvirt,gbriones1/vagrant-libvirt,pradels/vagrant-libvirt,dustymabe/vagrant-libvirt,leoh0/vagrant-libvirt,freexploit/vagrant-libvirt,infernix/vagrant-libvirt,bexelbie/vagrant-libvirt,electrofelix/vagrant-libvirt,leoh0/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,pronix/vagrant-libvirt,freexploit/vagrant-libvirt,sjfloat/vagrant-libvirt,sendgrid-ops/vagrant-libvirt,infernix/vagrant-libvirt,moozer/vagrant-libvirt,alexblackie/vagrant-libvirt,volago/vagrant-libvirt,mandre/vagrant-libvirt,volago/vagrant-libvirt,brk3/vagrant-libvirt,electrofelix/vagrant-libvirt,tkrille/vagrant-libvirt,mandre/vagrant-libvirt,joejulian/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,moozer/vagrant-libvirt,sjfloat/vagrant-libvirt,timhughes/vagrant-libvirt,pronix/vagrant-libvirt,gbriones1/vagrant-libvirt,sendgrid-ops/vagrant-libvirt,fxkr/vagrant-libvirt,d0c-s4vage/vagrant-libvirt,bexelbie/vagrant-libvirt,swizzley/vagrant-libvirt,fxkr/vagrant-libvirt,alexblackie/vagrant-libvirt,Paulche/vagrant-libvirt,JulianVolodia/vagrant-libvirt,pradels/vagrant-libvirt