[  478.739561] netdevsim netdevsim333 eni333np1: renamed from eth0
[  478.740262] netdevsim netdevsim762 eni762np1: renamed from eth0
[  478.825819] Could not find device with ifindex 2000 in netnsfd 11
[  478.825984] Could not find netns with fd: 2000
[  478.826093] Cannot link a netdevsim to itself
[  478.826213] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).