[  479.495312] netdevsim netdevsim317 eni317np1: renamed from eth0
[  479.496200] netdevsim netdevsim578 eni578np1: renamed from eth1
[  479.581375] Could not find device with ifindex 2000 in netnsfd 11
[  479.581497] Could not find netns with fd: 2000
[  479.581554] Cannot link a netdevsim to itself
[  479.581614] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).