[  803.019058][T15789] netdevsim netdevsim340 eni340np1: renamed from eth0
[  803.065944][T15788] netdevsim netdevsim559 eni559np1: renamed from eth1
[  803.806442][T15776] Could not find device with ifindex 2000 in netnsfd 11
[  803.807158][T15776] Could not find netns with fd: 2000
[  803.807922][T15776] Cannot link a netdevsim to itself
[  803.808594][T15776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).