[  484.388801] netdevsim netdevsim341 eni341np1: renamed from eth0
[  484.489045] netdevsim netdevsim650 eni650np1: renamed from eth1
[  484.852233] Could not find device with ifindex 2000 in netnsfd 11
[  484.852386] Could not find netns with fd: 2000
[  484.852480] Cannot link a netdevsim to itself
[  484.852612] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).