[  518.814115] netdevsim netdevsim394 eni394np1: renamed from eth0
[  518.911689] netdevsim netdevsim704 eni704np1: renamed from eth1
[  519.104508] Could not find device with ifindex 2000 in netnsfd 11
[  519.104735] Could not find netns with fd: 2000
[  519.104864] Cannot link a netdevsim to itself
[  519.104998] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).