[  487.264253] netdevsim netdevsim671 eni671np1: renamed from eth1
[  487.360666] netdevsim netdevsim262 eni262np1: renamed from eth0
[  487.576639] Could not find device with ifindex 2000 in netnsfd 11
[  487.577000] Could not find netns with fd: 2000
[  487.577174] Cannot link a netdevsim to itself
[  487.577278] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).