# netplan: network.ethernets.eth0 (on NetworkManager deny-list)
SUBSYSTEM=="net", ACTION=="add|change|move", ENV{ID_NET_NAME}=="eth0", ENV{NM_UNMANAGED}="1"
SUBSYSTEM=="net", ACTION=="add|change|move", ATTR{address}=="00:50:56:65:79:bf", ENV{NM_UNMANAGED}="1"