[ 1251.493126][T12886] netdevsim netdevsim641 eni641np1: renamed from eth1
[ 1251.616415][T12884] netdevsim netdevsim368 eni368np1: renamed from eth0
[ 1254.304380][T12871] Could not find device with ifindex 2000 in netnsfd 11
[ 1254.305583][T12871] Could not find netns with fd: 2000
[ 1254.306448][T12871] Cannot link a netdevsim to itself
[ 1254.307666][T12871] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).