[ 1046.580218][T12756] netdevsim netdevsim335 eni335np1: renamed from eth0
[ 1046.695489][T12755] netdevsim netdevsim551 eni551np1: renamed from eth1
[ 1048.573795][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.574751][T12748] Could not find netns with fd: 2000
[ 1048.575474][T12748] Cannot link a netdevsim to itself
[ 1048.576229][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).