[  810.147942][T15779] netdevsim netdevsim500 eni500np1: renamed from eth0
[  810.168794][T15782] netdevsim netdevsim754 eni754np1: renamed from eth1
[  810.762487][T15767] Could not find device with ifindex 2000 in netnsfd 11
[  810.763551][T15767] Could not find netns with fd: 2000
[  810.764139][T15767] Cannot link a netdevsim to itself
[  810.764672][T15767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).