[  480.333810] netdevsim netdevsim318 eni318np1: renamed from eth0
[  480.435109] netdevsim netdevsim687 eni687np1: renamed from eth1
[  480.771508] Could not find device with ifindex 2000 in netnsfd 11
[  480.771656] Could not find netns with fd: 2000
[  480.771747] Cannot link a netdevsim to itself
[  480.771867] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).