[  476.416478] netdevsim netdevsim485 eni485np1: renamed from eth0
[  476.417447] netdevsim netdevsim712 eni712np1: renamed from eth0
[  476.507015] Could not find device with ifindex 2000 in netnsfd 11
[  476.507094] Could not find netns with fd: 2000
[  476.507132] Cannot link a netdevsim to itself
[  476.507173] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).