[  708.935000][T13057] netdevsim netdevsim488 eni488np1: renamed from eth0
[  708.954260][T13059] netdevsim netdevsim715 eni715np1: renamed from eth1
[  709.614099][T13045] Could not find device with ifindex 2000 in netnsfd 11
[  709.615114][T13045] Could not find netns with fd: 2000
[  709.615638][T13045] Cannot link a netdevsim to itself
[  709.616253][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).