[  476.646774] netdevsim netdevsim734 eni734np1: renamed from eth1
[  476.743701] netdevsim netdevsim453 eni453np1: renamed from eth0
[  476.971625] Could not find device with ifindex 2000 in netnsfd 11
[  476.971778] Could not find netns with fd: 2000
[  476.971857] Cannot link a netdevsim to itself
[  476.971954] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).