[  479.291821] netdevsim netdevsim511 eni511np1: renamed from eth0
[  479.292159] netdevsim netdevsim570 eni570np1: renamed from eth1
[  479.379105] Could not find device with ifindex 2000 in netnsfd 11
[  479.379266] Could not find netns with fd: 2000
[  479.379366] Cannot link a netdevsim to itself
[  479.379477] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).