[  481.442981] netdevsim netdevsim508 eni508np1: renamed from eth0
[  481.544819] netdevsim netdevsim751 eni751np1: renamed from eth1
[  481.901962] Could not find device with ifindex 2000 in netnsfd 11
[  481.902132] Could not find netns with fd: 2000
[  481.902240] Cannot link a netdevsim to itself
[  481.902350] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).