[  511.435078] netdevsim netdevsim318 eni318np1: renamed from eth0
[  511.533078] netdevsim netdevsim764 eni764np1: renamed from eth1
[  511.758350] Could not find device with ifindex 2000 in netnsfd 11
[  511.758510] Could not find netns with fd: 2000
[  511.758582] Cannot link a netdevsim to itself
[  511.758669] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).