[ 1252.345322][T12787] netdevsim netdevsim569 eni569np1: renamed from eth1
[ 1252.484264][T12788] netdevsim netdevsim396 eni396np1: renamed from eth0
[ 1255.293690][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.295015][T12780] Could not find netns with fd: 2000
[ 1255.295923][T12780] Cannot link a netdevsim to itself
[ 1255.297025][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).