[  476.138728] netdevsim netdevsim409 eni409np1: renamed from eth0
[  476.139304] netdevsim netdevsim519 eni519np1: renamed from eth1
[  476.227072] Could not find device with ifindex 2000 in netnsfd 11
[  476.227143] Could not find netns with fd: 2000
[  476.227187] Cannot link a netdevsim to itself
[  476.227242] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).