[  492.458129] netdevsim netdevsim380 eni380np1: renamed from eth0
[  492.554423] netdevsim netdevsim678 eni678np1: renamed from eth1
[  492.784900] Could not find device with ifindex 2000 in netnsfd 11
[  492.785246] Could not find netns with fd: 2000
[  492.785341] Cannot link a netdevsim to itself
[  492.785461] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).