[  700.411713][T13027] netdevsim netdevsim399 eni399np1: renamed from eth0
[  700.422906][T13029] netdevsim netdevsim552 eni552np1: renamed from eth1
[  701.065344][T13015] Could not find device with ifindex 2000 in netnsfd 11
[  701.066213][T13015] Could not find netns with fd: 2000
[  701.066693][T13015] Cannot link a netdevsim to itself
[  701.067355][T13015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).