[  773.967544][T14752] netdevsim netdevsim339 eni339np1: renamed from eth0
[  773.979815][T14754] netdevsim netdevsim701 eni701np1: renamed from eth1
[  774.542242][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  774.542759][T14740] Could not find netns with fd: 2000
[  774.543119][T14740] Cannot link a netdevsim to itself
[  774.543534][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).