[ 1038.534815][T12759] netdevsim netdevsim484 eni484np1: renamed from eth0
[ 1038.639183][T12758] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1040.507448][T12751] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.508466][T12751] Could not find netns with fd: 2000
[ 1040.509210][T12751] Cannot link a netdevsim to itself
[ 1040.510001][T12751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).