[  484.152443] netdevsim netdevsim385 eni385np1: renamed from eth0
[  484.253447] netdevsim netdevsim748 eni748np1: renamed from eth1
[  484.630009] Could not find device with ifindex 2000 in netnsfd 11
[  484.630171] Could not find netns with fd: 2000
[  484.630262] Cannot link a netdevsim to itself
[  484.630381] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).