[  515.592213] netdevsim netdevsim470 eni470np1: renamed from eth0
[  515.689876] netdevsim netdevsim517 eni517np1: renamed from eth1
[  515.948713] Could not find device with ifindex 2000 in netnsfd 11
[  515.948937] Could not find netns with fd: 2000
[  515.949023] Cannot link a netdevsim to itself
[  515.949124] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).