[  523.942994] netdevsim netdevsim642 eni642np1: renamed from eth1
[  524.038801] netdevsim netdevsim329 eni329np1: renamed from eth0
[  524.271068] Could not find device with ifindex 2000 in netnsfd 11
[  524.271258] Could not find netns with fd: 2000
[  524.271351] Cannot link a netdevsim to itself
[  524.271456] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).