[  842.458641][T16091] netdevsim netdevsim334 eni334np1: renamed from eth0
[  842.464394][T16094] netdevsim netdevsim700 eni700np1: renamed from eth1
[  843.067764][T16080] Could not find device with ifindex 2000 in netnsfd 11
[  843.068480][T16080] Could not find netns with fd: 2000
[  843.069055][T16080] Cannot link a netdevsim to itself
[  843.069661][T16080] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).