[  483.932054] netdevsim netdevsim422 eni422np1: renamed from eth0
[  483.934545] netdevsim netdevsim571 eni571np1: renamed from eth1
[  484.023239] Could not find device with ifindex 2000 in netnsfd 11
[  484.023400] Could not find netns with fd: 2000
[  484.023504] Cannot link a netdevsim to itself
[  484.023618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).