[  745.025448][T13080] netdevsim netdevsim409 eni409np1: renamed from eth0
[  745.042939][T13082] netdevsim netdevsim587 eni587np1: renamed from eth1
[  745.856877][T13068] Could not find device with ifindex 2000 in netnsfd 11
[  745.857754][T13068] Could not find netns with fd: 2000
[  745.858149][T13068] Cannot link a netdevsim to itself
[  745.858629][T13068] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).