[   10.366378][  T234] netdevsim netdevsim574 eni574np1: renamed from eth1
[   10.467184][  T236] netdevsim netdevsim319 eni319np1: renamed from eth0
[   12.281317][  T226] Could not find device with ifindex 2000 in netnsfd 11
[   12.282972][  T226] Could not find netns with fd: 2000
[   12.283985][  T226] Cannot link a netdevsim to itself
[   12.285245][  T226] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).