[  488.783071] netdevsim netdevsim454 eni454np1: renamed from eth0
[  488.783765] netdevsim netdevsim569 eni569np1: renamed from eth1
[  488.867662] Could not find device with ifindex 2000 in netnsfd 11
[  488.867771] Could not find netns with fd: 2000
[  488.867824] Cannot link a netdevsim to itself
[  488.867886] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).