[ 1020.390544][T12581] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1020.501972][T12580] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1022.303096][T12573] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.304167][T12573] Could not find netns with fd: 2000
[ 1022.304899][T12573] Cannot link a netdevsim to itself
[ 1022.305750][T12573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).