[  461.382767] netdevsim netdevsim347 eni347np1: renamed from eth0
[  461.383338] netdevsim netdevsim606 eni606np1: renamed from eth1
[  461.485413] Could not find device with ifindex 2000 in netnsfd 11
[  461.485624] Could not find netns with fd: 2000
[  461.485750] Cannot link a netdevsim to itself
[  461.485900] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).