[  510.947067] netdevsim netdevsim379 eni379np1: renamed from eth0
[  511.043858] netdevsim netdevsim704 eni704np1: renamed from eth1
[  511.271231] Could not find device with ifindex 2000 in netnsfd 11
[  511.271448] Could not find netns with fd: 2000
[  511.271543] Cannot link a netdevsim to itself
[  511.271642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).