[  488.604223] netdevsim netdevsim329 eni329np1: renamed from eth0
[  488.699797] netdevsim netdevsim712 eni712np1: renamed from eth1
[  488.913991] Could not find device with ifindex 2000 in netnsfd 11
[  488.914316] Could not find netns with fd: 2000
[  488.914449] Cannot link a netdevsim to itself
[  488.914579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).