[  770.937117][T13099] netdevsim netdevsim488 eni488np1: renamed from eth0
[  770.957252][T13101] netdevsim netdevsim692 eni692np1: renamed from eth1
[  771.664323][T13087] Could not find device with ifindex 2000 in netnsfd 11
[  771.665774][T13087] Could not find netns with fd: 2000
[  771.666424][T13087] Cannot link a netdevsim to itself
[  771.667212][T13087] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).