[  484.685121] netdevsim netdevsim478 eni478np1: renamed from eth0
[  484.781309] netdevsim netdevsim568 eni568np1: renamed from eth1
[  484.996442] Could not find device with ifindex 2000 in netnsfd 11
[  484.996792] Could not find netns with fd: 2000
[  484.996877] Cannot link a netdevsim to itself
[  484.996997] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).