[  459.353110] netdevsim netdevsim280 eni280np1: renamed from eth0
[  459.355241] netdevsim netdevsim689 eni689np1: renamed from eth1
[  459.446208] Could not find device with ifindex 2000 in netnsfd 11
[  459.446371] Could not find netns with fd: 2000
[  459.446483] Cannot link a netdevsim to itself
[  459.446610] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).