[  840.663517][T15662] netdevsim netdevsim479 eni479np1: renamed from eth0
[  840.707947][T15664] netdevsim netdevsim525 eni525np1: renamed from eth1
[  841.471305][T15650] Could not find device with ifindex 2000 in netnsfd 11
[  841.472445][T15650] Could not find netns with fd: 2000
[  841.473080][T15650] Cannot link a netdevsim to itself
[  841.473674][T15650] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).