[  507.346455] netdevsim netdevsim414 eni414np1: renamed from eth0
[  507.346893] netdevsim netdevsim553 eni553np1: renamed from eth1
[  507.438800] Could not find device with ifindex 2000 in netnsfd 11
[  507.438950] Could not find netns with fd: 2000
[  507.439071] Cannot link a netdevsim to itself
[  507.439195] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).