[  803.115932][T14569] netdevsim netdevsim263 eni263np1: renamed from eth0
[  803.130747][T14571] netdevsim netdevsim584 eni584np1: renamed from eth1
[  803.774975][T14557] Could not find device with ifindex 2000 in netnsfd 11
[  803.776077][T14557] Could not find netns with fd: 2000
[  803.776484][T14557] Cannot link a netdevsim to itself
[  803.776916][T14557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).