[   33.981680][  T683] netdevsim netdevsim419 eni419np1: renamed from eth0
[   34.013263][  T685] netdevsim netdevsim732 eni732np1: renamed from eth1
[   35.853708][  T675] Could not find device with ifindex 2000 in netnsfd 11
[   35.854699][  T675] Could not find netns with fd: 2000
[   35.855400][  T675] Cannot link a netdevsim to itself
[   35.856332][  T675] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).