[  490.018513] netdevsim netdevsim469 eni469np1: renamed from eth0
[  490.118583] netdevsim netdevsim586 eni586np1: renamed from eth1
[  490.477408] Could not find device with ifindex 2000 in netnsfd 11
[  490.477578] Could not find netns with fd: 2000
[  490.477671] Cannot link a netdevsim to itself
[  490.477770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).