[  706.123200][T13065] netdevsim netdevsim311 eni311np1: renamed from eth0
[  706.144512][T13064] netdevsim netdevsim692 eni692np1: renamed from eth1
[  706.766459][T13052] Could not find device with ifindex 2000 in netnsfd 11
[  706.767529][T13052] Could not find netns with fd: 2000
[  706.768179][T13052] Cannot link a netdevsim to itself
[  706.768773][T13052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).