[ 1180.128015][T12773] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1180.237722][T12774] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1182.648884][T12765] Could not find device with ifindex 2000 in netnsfd 11
[ 1182.650588][T12765] Could not find netns with fd: 2000
[ 1182.677380][T12765] Cannot link a netdevsim to itself
[ 1182.679246][T12765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).