[ 1222.065707][T12620] netdevsim netdevsim299 eni299np1: renamed from eth0
[ 1222.072210][T12616] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1224.767291][T12607] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.768354][T12607] Could not find netns with fd: 2000
[ 1224.769152][T12607] Cannot link a netdevsim to itself
[ 1224.770179][T12607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).