[ 1359.885024][T12854] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1359.948056][T12855] netdevsim netdevsim486 eni486np1: renamed from eth0
[ 1362.647687][T12843] Could not find device with ifindex 2000 in netnsfd 11
[ 1362.649992][T12843] Could not find netns with fd: 2000
[ 1362.651061][T12843] Cannot link a netdevsim to itself
[ 1362.652449][T12843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).