[  523.131325] netdevsim netdevsim602 eni602np1: renamed from eth1
[  523.229163] netdevsim netdevsim495 eni495np1: renamed from eth0
[  523.449744] Could not find device with ifindex 2000 in netnsfd 11
[  523.449911] Could not find netns with fd: 2000
[  523.449992] Cannot link a netdevsim to itself
[  523.450080] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).