[  523.364579] netdevsim netdevsim528 eni528np1: renamed from eth1
[  523.462626] netdevsim netdevsim476 eni476np1: renamed from eth0
[  523.717281] Could not find device with ifindex 2000 in netnsfd 11
[  523.717485] Could not find netns with fd: 2000
[  523.717575] Cannot link a netdevsim to itself
[  523.717678] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).