[  815.530298][T15780] netdevsim netdevsim279 eni279np1: renamed from eth0
[  815.558656][T15779] netdevsim netdevsim535 eni535np1: renamed from eth1
[  816.136663][T15768] Could not find device with ifindex 2000 in netnsfd 11
[  816.137692][T15768] Could not find netns with fd: 2000
[  816.138257][T15768] Cannot link a netdevsim to itself
[  816.138874][T15768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).