[  475.644234] netdevsim netdevsim389 eni389np1: renamed from eth0
[  475.644687] netdevsim netdevsim707 eni707np1: renamed from eth1
[  475.731308] Could not find device with ifindex 2000 in netnsfd 11
[  475.731390] Could not find netns with fd: 2000
[  475.731435] Cannot link a netdevsim to itself
[  475.731484] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).