[  478.463233] netdevsim netdevsim396 eni396np1: renamed from eth0
[  478.463681] netdevsim netdevsim708 eni708np1: renamed from eth1
[  478.552804] Could not find device with ifindex 2000 in netnsfd 11
[  478.552955] Could not find netns with fd: 2000
[  478.553057] Cannot link a netdevsim to itself
[  478.553171] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).