[  690.619428][T13042] netdevsim netdevsim277 eni277np1: renamed from eth0
[  690.640867][T13044] netdevsim netdevsim623 eni623np1: renamed from eth1
[  691.239299][T13030] Could not find device with ifindex 2000 in netnsfd 11
[  691.240115][T13030] Could not find netns with fd: 2000
[  691.240507][T13030] Cannot link a netdevsim to itself
[  691.240974][T13030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).