[  803.649832][T15729] netdevsim netdevsim307 eni307np1: renamed from eth0
[  803.662549][T15732] netdevsim netdevsim637 eni637np1: renamed from eth1
[  804.292223][T15718] Could not find device with ifindex 2000 in netnsfd 11
[  804.292965][T15718] Could not find netns with fd: 2000
[  804.293533][T15718] Cannot link a netdevsim to itself
[  804.294157][T15718] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).