[  480.912272] netdevsim netdevsim394 eni394np1: renamed from eth0
[  481.013695] netdevsim netdevsim634 eni634np1: renamed from eth1
[  481.361323] Could not find device with ifindex 2000 in netnsfd 11
[  481.361476] Could not find netns with fd: 2000
[  481.361564] Cannot link a netdevsim to itself
[  481.361651] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).