[  701.575565][T13066] netdevsim netdevsim489 eni489np1: renamed from eth0
[  701.586390][T13068] netdevsim netdevsim638 eni638np1: renamed from eth1
[  702.231904][T13053] Could not find device with ifindex 2000 in netnsfd 11
[  702.232774][T13053] Could not find netns with fd: 2000
[  702.233171][T13053] Cannot link a netdevsim to itself
[  702.233646][T13053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).