[  522.067311] netdevsim netdevsim544 eni544np1: renamed from eth1
[  522.164119] netdevsim netdevsim482 eni482np1: renamed from eth0
[  522.398215] Could not find device with ifindex 2000 in netnsfd 11
[  522.398441] Could not find netns with fd: 2000
[  522.398545] Cannot link a netdevsim to itself
[  522.398673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).