[  829.110918][T14769] netdevsim netdevsim471 eni471np1: renamed from eth0
[  829.136952][T14771] netdevsim netdevsim685 eni685np1: renamed from eth1
[  829.875093][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  829.875977][T14757] Could not find netns with fd: 2000
[  829.876364][T14757] Cannot link a netdevsim to itself
[  829.876821][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).