[ 1279.362766][T13023] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1279.491438][T13021] netdevsim netdevsim725 eni725np1: renamed from eth1
[ 1282.240847][T13010] Could not find device with ifindex 2000 in netnsfd 11
[ 1282.245349][T13010] Could not find netns with fd: 2000
[ 1282.246648][T13010] Cannot link a netdevsim to itself
[ 1282.247825][T13010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).