[  485.822660] netdevsim netdevsim392 eni392np1: renamed from eth0
[  485.917948] netdevsim netdevsim578 eni578np1: renamed from eth1
[  486.148436] Could not find device with ifindex 2000 in netnsfd 11
[  486.148830] Could not find netns with fd: 2000
[  486.148912] Cannot link a netdevsim to itself
[  486.149005] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).