[  489.473525] netdevsim netdevsim380 eni380np1: renamed from eth0
[  489.474613] netdevsim netdevsim568 eni568np1: renamed from eth1
[  489.583586] Could not find device with ifindex 2000 in netnsfd 11
[  489.583681] Could not find netns with fd: 2000
[  489.583727] Cannot link a netdevsim to itself
[  489.583779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).