[  851.148632][T14912] netdevsim netdevsim454 eni454np1: renamed from eth0
[  851.170353][T14914] netdevsim netdevsim698 eni698np1: renamed from eth1
[  851.798449][T14900] Could not find device with ifindex 2000 in netnsfd 11
[  851.799069][T14900] Could not find netns with fd: 2000
[  851.799460][T14900] Cannot link a netdevsim to itself
[  851.799925][T14900] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).