[ 1020.611210][T12129] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1020.721224][T12063] netdevsim netdevsim521 eni521np1: renamed from eth1
[ 1022.642373][T12718] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.643641][T12718] Could not find netns with fd: 2000
[ 1022.652420][T12718] Cannot link a netdevsim to itself
[ 1022.653584][T12718] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).