[  484.086479] netdevsim netdevsim489 eni489np1: renamed from eth0
[  484.086906] netdevsim netdevsim569 eni569np1: renamed from eth1
[  484.175477] Could not find device with ifindex 2000 in netnsfd 11
[  484.175564] Could not find netns with fd: 2000
[  484.175606] Cannot link a netdevsim to itself
[  484.175661] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).