[ 1307.560836][T13015] netdevsim netdevsim509 eni509np1: renamed from eth0
[ 1307.643562][T13014] netdevsim netdevsim562 eni562np1: renamed from eth1
[ 1310.429538][T13002] Could not find device with ifindex 2000 in netnsfd 11
[ 1310.432119][T13002] Could not find netns with fd: 2000
[ 1310.433567][T13002] Cannot link a netdevsim to itself
[ 1310.435565][T13002] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).