[  760.766377][T14773] netdevsim netdevsim476 eni476np1: renamed from eth0
[  760.780708][T14775] netdevsim netdevsim746 eni746np1: renamed from eth1
[  761.309641][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  761.310317][T14761] Could not find netns with fd: 2000
[  761.316120][T14761] Cannot link a netdevsim to itself
[  761.316674][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).