[  771.260300][T13072] netdevsim netdevsim453 eni453np1: renamed from eth0
[  771.288939][T13071] netdevsim netdevsim616 eni616np1: renamed from eth1
[  771.949440][T13060] Could not find device with ifindex 2000 in netnsfd 11
[  771.950826][T13060] Could not find netns with fd: 2000
[  771.951488][T13060] Cannot link a netdevsim to itself
[  771.952310][T13060] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).