[ 1026.715635][T12759] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1026.814942][T12758] netdevsim netdevsim697 eni697np1: renamed from eth1
[ 1028.672478][T12751] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.673537][T12751] Could not find netns with fd: 2000
[ 1028.674285][T12751] Cannot link a netdevsim to itself
[ 1028.675073][T12751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).