[  879.501410][T15827] netdevsim netdevsim399 eni399np1: renamed from eth0
[  879.513019][T15825] netdevsim netdevsim624 eni624np1: renamed from eth1
[  880.475230][T15814] Could not find device with ifindex 2000 in netnsfd 11
[  880.476355][T15814] Could not find netns with fd: 2000
[  880.477707][T15814] Cannot link a netdevsim to itself
[  880.478710][T15814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).