[  756.252500][T14478] netdevsim netdevsim290 eni290np1: renamed from eth0
[  756.261814][T14479] netdevsim netdevsim654 eni654np1: renamed from eth1
[  756.827063][T14466] Could not find device with ifindex 2000 in netnsfd 11
[  756.827629][T14466] Could not find netns with fd: 2000
[  756.828003][T14466] Cannot link a netdevsim to itself
[  756.828445][T14466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).