[  697.849495][T13037] netdevsim netdevsim489 eni489np1: renamed from eth0
[  697.867326][T13039] netdevsim netdevsim753 eni753np1: renamed from eth1
[  698.483203][T13025] Could not find device with ifindex 2000 in netnsfd 11
[  698.484155][T13025] Could not find netns with fd: 2000
[  698.484661][T13025] Cannot link a netdevsim to itself
[  698.485237][T13025] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).