[  479.568740] netdevsim netdevsim276 eni276np1: renamed from eth0
[  479.569228] netdevsim netdevsim742 eni742np1: renamed from eth1
[  479.659868] Could not find device with ifindex 2000 in netnsfd 11
[  479.659979] Could not find netns with fd: 2000
[  479.660058] Cannot link a netdevsim to itself
[  479.660121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).