[  815.316531][T15768] netdevsim netdevsim307 eni307np1: renamed from eth0
[  815.326275][T15767] netdevsim netdevsim712 eni712np1: renamed from eth1
[  815.951817][T15756] Could not find device with ifindex 2000 in netnsfd 11
[  815.952494][T15756] Could not find netns with fd: 2000
[  815.952959][T15756] Cannot link a netdevsim to itself
[  815.953498][T15756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).