[  485.040467] netdevsim netdevsim471 eni471np1: renamed from eth0
[  485.141830] netdevsim netdevsim582 eni582np1: renamed from eth1
[  485.513530] Could not find device with ifindex 2000 in netnsfd 11
[  485.513683] Could not find netns with fd: 2000
[  485.513759] Cannot link a netdevsim to itself
[  485.513853] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).