[   37.995799] netdevsim netdevsim314 eni314np1: renamed from eth0
[   38.097020] netdevsim netdevsim574 eni574np1: renamed from eth1
[   38.437274] Could not find device with ifindex 2000 in netnsfd 11
[   38.437441] Could not find netns with fd: 2000
[   38.437537] Cannot link a netdevsim to itself
[   38.437642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).