[  481.365797] netdevsim netdevsim338 eni338np1: renamed from eth0
[  481.467618] netdevsim netdevsim760 eni760np1: renamed from eth1
[  481.832883] Could not find device with ifindex 2000 in netnsfd 11
[  481.833024] Could not find netns with fd: 2000
[  481.833104] Cannot link a netdevsim to itself
[  481.833198] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).