[  795.197862][T14654] netdevsim netdevsim280 eni280np1: renamed from eth0
[  795.217909][T14657] netdevsim netdevsim521 eni521np1: renamed from eth1
[  795.945463][T14642] Could not find device with ifindex 2000 in netnsfd 11
[  795.946023][T14642] Could not find netns with fd: 2000
[  795.946393][T14642] Cannot link a netdevsim to itself
[  795.946804][T14642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).