[  486.401390] netdevsim netdevsim710 eni710np1: renamed from eth1
[  486.498053] netdevsim netdevsim308 eni308np1: renamed from eth0
[  486.705289] Could not find device with ifindex 2000 in netnsfd 11
[  486.705580] Could not find netns with fd: 2000
[  486.705683] Cannot link a netdevsim to itself
[  486.705795] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).