[  689.364205][T13046] netdevsim netdevsim416 eni416np1: renamed from eth0
[  689.386010][T13048] netdevsim netdevsim742 eni742np1: renamed from eth1
[  689.996528][T13034] Could not find device with ifindex 2000 in netnsfd 11
[  689.997410][T13034] Could not find netns with fd: 2000
[  689.997802][T13034] Cannot link a netdevsim to itself
[  689.998313][T13034] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).