[ 1235.520748][T12608] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1235.629172][T12609] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1238.304100][T12598] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.306004][T12598] Could not find netns with fd: 2000
[ 1238.308089][T12598] Cannot link a netdevsim to itself
[ 1238.309625][T12598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).