[ 1344.079840][T12982] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1344.191357][T12984] netdevsim netdevsim354 eni354np1: renamed from eth0
[ 1346.746899][T12973] Could not find device with ifindex 2000 in netnsfd 11
[ 1346.748952][T12973] Could not find netns with fd: 2000
[ 1346.752556][T12973] Cannot link a netdevsim to itself
[ 1346.753743][T12973] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).