[  455.135359] netdevsim netdevsim711 eni711np1: renamed from eth1
[  455.135642] netdevsim netdevsim396 eni396np1: renamed from eth0
[  455.221523] Could not find device with ifindex 2000 in netnsfd 11
[  455.221618] Could not find netns with fd: 2000
[  455.221662] Cannot link a netdevsim to itself
[  455.221713] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).