[ 1315.267218][T12067] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1315.373786][T12069] netdevsim netdevsim346 eni346np1: renamed from eth0
[ 1319.236802][T12061] Could not find device with ifindex 2000 in netnsfd 11
[ 1319.237571][T12061] Could not find netns with fd: 2000
[ 1319.238151][T12061] Cannot link a netdevsim to itself
[ 1319.238852][T12061] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).