[ 1013.496097][T12069] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1013.583490][T12133] netdevsim netdevsim528 eni528np1: renamed from eth1
[ 1015.536179][T12457] Could not find device with ifindex 2000 in netnsfd 11
[ 1015.537486][T12457] Could not find netns with fd: 2000
[ 1015.538182][T12457] Cannot link a netdevsim to itself
[ 1015.539580][T12457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).