[  522.598669] netdevsim netdevsim370 eni370np1: renamed from eth0
[  522.696182] netdevsim netdevsim660 eni660np1: renamed from eth1
[  522.938057] Could not find device with ifindex 2000 in netnsfd 11
[  522.938231] Could not find netns with fd: 2000
[  522.938341] Cannot link a netdevsim to itself
[  522.938462] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).