[ 1304.225753][T13017] netdevsim netdevsim633 eni633np1: renamed from eth1
[ 1304.330110][T13019] netdevsim netdevsim372 eni372np1: renamed from eth0
[ 1306.971865][T13007] Could not find device with ifindex 2000 in netnsfd 11
[ 1306.973611][T13007] Could not find netns with fd: 2000
[ 1306.974503][T13007] Cannot link a netdevsim to itself
[ 1306.975842][T13007] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).