[  484.230295] netdevsim netdevsim394 eni394np1: renamed from eth0
[  484.231079] netdevsim netdevsim706 eni706np1: renamed from eth1
[  484.319017] Could not find device with ifindex 2000 in netnsfd 11
[  484.319103] Could not find netns with fd: 2000
[  484.319146] Cannot link a netdevsim to itself
[  484.319197] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).