[  429.245001] netdevsim netdevsim505 eni505np1: renamed from eth0
[  429.246175] netdevsim netdevsim670 eni670np1: renamed from eth1
[  429.618344] Could not find device with ifindex 2000 in netnsfd 11
[  429.618516] Could not find netns with fd: 2000
[  429.618612] Cannot link a netdevsim to itself
[  429.618734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).