[  488.198952] netdevsim netdevsim440 eni440np1: renamed from eth0
[  488.199587] netdevsim netdevsim701 eni701np1: renamed from eth1
[  488.300235] Could not find device with ifindex 2000 in netnsfd 11
[  488.300348] Could not find netns with fd: 2000
[  488.300400] Cannot link a netdevsim to itself
[  488.300465] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).