[  474.182064] netdevsim netdevsim330 eni330np1: renamed from eth0
[  474.182515] netdevsim netdevsim730 eni730np1: renamed from eth1
[  474.268839] Could not find device with ifindex 2000 in netnsfd 11
[  474.268982] Could not find netns with fd: 2000
[  474.269087] Cannot link a netdevsim to itself
[  474.269201] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).