[ 1299.923001][T13020] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1300.034259][T13019] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1302.663002][T13007] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.665027][T13007] Could not find netns with fd: 2000
[ 1302.668739][T13007] Cannot link a netdevsim to itself
[ 1302.671411][T13007] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).