[ 1290.095865][T12849] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1290.156397][T12851] netdevsim netdevsim476 eni476np1: renamed from eth0
[ 1292.841472][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1292.843574][T12839] Could not find netns with fd: 2000
[ 1292.844511][T12839] Cannot link a netdevsim to itself
[ 1292.845633][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).