[  718.213765][T13059] netdevsim netdevsim497 eni497np1: renamed from eth0
[  718.229287][T13061] netdevsim netdevsim677 eni677np1: renamed from eth1
[  718.917759][T13047] Could not find device with ifindex 2000 in netnsfd 11
[  718.918757][T13047] Could not find netns with fd: 2000
[  718.919307][T13047] Cannot link a netdevsim to itself
[  718.919880][T13047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).