[  775.972237][T14785] netdevsim netdevsim304 eni304np1: renamed from eth0
[  775.982883][T14787] netdevsim netdevsim751 eni751np1: renamed from eth1
[  776.596797][T14773] Could not find device with ifindex 2000 in netnsfd 11
[  776.597881][T14773] Could not find netns with fd: 2000
[  776.598627][T14773] Cannot link a netdevsim to itself
[  776.599182][T14773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).