[  487.846410] netdevsim netdevsim604 eni604np1: renamed from eth1
[  487.943277] netdevsim netdevsim383 eni383np1: renamed from eth0
[  488.178295] Could not find device with ifindex 2000 in netnsfd 11
[  488.178535] Could not find netns with fd: 2000
[  488.178611] Cannot link a netdevsim to itself
[  488.178701] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).