[  705.527310][T13048] netdevsim netdevsim297 eni297np1: renamed from eth0
[  705.546978][T13050] netdevsim netdevsim608 eni608np1: renamed from eth1
[  706.177491][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  706.178335][T13036] Could not find netns with fd: 2000
[  706.178915][T13036] Cannot link a netdevsim to itself
[  706.179410][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).