[  634.321152][T10005] netdevsim netdevsim482 eni482np1: renamed from eth0
[  634.332297][T10008] netdevsim netdevsim622 eni622np1: renamed from eth1
[  634.956964][ T9993] Could not find device with ifindex 2000 in netnsfd 11
[  634.957935][ T9993] Could not find netns with fd: 2000
[  634.958425][ T9993] Cannot link a netdevsim to itself
[  634.959024][ T9993] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).