[  823.103229][T15768] netdevsim netdevsim339 eni339np1: renamed from eth0
[  823.113667][T15770] netdevsim netdevsim568 eni568np1: renamed from eth1
[  823.705083][T15755] Could not find device with ifindex 2000 in netnsfd 11
[  823.705719][T15755] Could not find netns with fd: 2000
[  823.706083][T15755] Cannot link a netdevsim to itself
[  823.706719][T15755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).