[ 1023.701465][T12132] netdevsim netdevsim628 eni628np1: renamed from eth1
[ 1023.798008][T12072] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1025.614026][T12558] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.614939][T12558] Could not find netns with fd: 2000
[ 1025.615710][T12558] Cannot link a netdevsim to itself
[ 1025.616577][T12558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).