[ 1034.773817][T12758] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1034.779825][T12759] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1036.607146][T12751] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.608162][T12751] Could not find netns with fd: 2000
[ 1036.608938][T12751] Cannot link a netdevsim to itself
[ 1036.609757][T12751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).