[ 1018.543926][T12486] netdevsim netdevsim723 eni723np1: renamed from eth1
[ 1018.657923][T12468] netdevsim netdevsim326 eni326np1: renamed from eth0
[ 1020.727607][T12564] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.729149][T12564] Could not find netns with fd: 2000
[ 1020.730270][T12564] Cannot link a netdevsim to itself
[ 1020.731497][T12564] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).