Incase of tunnel interface(VPN) mac address can be 0
Incase of tunnel interface(VPN) mac address can be 0

hanw/libtins,rklabs/libtins,salessandri/libtins,salessandri/libtins,viveks9/decrypt80211,zmb3/libtins,viveks9/decrypt80211,mfontanini/libtins,capturePointer/libtins,UlfWetzker/libtins,zmb3/libtins,rklabs/libtins,hanw/libtins,capturePointer/libtins,mfontanini/libtins,UlfWetzker/libtins