strace -o /tmp/dhc$$ dhclient -d eth2
http://askubuntu.com/questions/5187/why-is-dhclient-saying-siocsifaddr-permission-denied
ip link add dev A type veth peer name B
operation not supported
http://askubuntu.com/questions/5187/why-is-dhclient-saying-siocsifaddr-permission-denied
ip link add dev A type veth peer name B
operation not supported