[  492.155640] netdevsim netdevsim712 eni712np1: renamed from eth1
[  492.251305] netdevsim netdevsim405 eni405np1: renamed from eth0
[  492.485601] Could not find device with ifindex 2000 in netnsfd 11
[  492.485889] Could not find netns with fd: 2000
[  492.485965] Cannot link a netdevsim to itself
[  492.486050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).