[ 1182.372152][T12776] netdevsim netdevsim440 eni440np1: renamed from eth0
[ 1182.376829][T12773] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1184.937760][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1184.939020][T12768] Could not find netns with fd: 2000
[ 1184.939965][T12768] Cannot link a netdevsim to itself
[ 1184.951378][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).