[  476.497538] netdevsim netdevsim404 eni404np1: renamed from eth0
[  476.498070] netdevsim netdevsim650 eni650np1: renamed from eth1
[  476.589265] Could not find device with ifindex 2000 in netnsfd 11
[  476.589424] Could not find netns with fd: 2000
[  476.589545] Cannot link a netdevsim to itself
[  476.589677] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).