[ 1248.836387][T12790] netdevsim netdevsim326 eni326np1: renamed from eth0
[ 1248.951072][T12787] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1251.686986][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.688218][T12777] Could not find netns with fd: 2000
[ 1251.689111][T12777] Cannot link a netdevsim to itself
[ 1251.690168][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).