[  767.563145][T14564] netdevsim netdevsim488 eni488np1: renamed from eth0
[  767.569712][T14566] netdevsim netdevsim681 eni681np1: renamed from eth1
[  768.150877][T14552] Could not find device with ifindex 2000 in netnsfd 11
[  768.151499][T14552] Could not find netns with fd: 2000
[  768.151855][T14552] Cannot link a netdevsim to itself
[  768.152266][T14552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).