[  748.124191][T14448] netdevsim netdevsim320 eni320np1: renamed from eth0
[  748.137809][T14450] netdevsim netdevsim569 eni569np1: renamed from eth1
[  748.697845][T14436] Could not find device with ifindex 2000 in netnsfd 11
[  748.698339][T14436] Could not find netns with fd: 2000
[  748.698744][T14436] Cannot link a netdevsim to itself
[  748.699153][T14436] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).