[  516.304627] netdevsim netdevsim320 eni320np1: renamed from eth0
[  516.402388] netdevsim netdevsim590 eni590np1: renamed from eth1
[  516.628700] Could not find device with ifindex 2000 in netnsfd 11
[  516.628905] Could not find netns with fd: 2000
[  516.628992] Cannot link a netdevsim to itself
[  516.629107] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).