[ 1205.123509][T12682] netdevsim netdevsim661 eni661np1: renamed from eth1
[ 1205.129856][T12681] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1207.456722][T12673] Could not find device with ifindex 2000 in netnsfd 11
[ 1207.457820][T12673] Could not find netns with fd: 2000
[ 1207.458786][T12673] Cannot link a netdevsim to itself
[ 1207.459871][T12673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).