[ 1264.808250][T12789] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1264.924762][T12790] netdevsim netdevsim569 eni569np1: renamed from eth1
[ 1267.543899][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1267.545927][T12777] Could not find netns with fd: 2000
[ 1267.547454][T12777] Cannot link a netdevsim to itself
[ 1267.549387][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).