[  476.507029] netdevsim netdevsim302 eni302np1: renamed from eth0
[  476.507946] netdevsim netdevsim522 eni522np1: renamed from eth1
[  476.603176] Could not find device with ifindex 2000 in netnsfd 11
[  476.603286] Could not find netns with fd: 2000
[  476.603344] Cannot link a netdevsim to itself
[  476.603406] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).