[  528.915804] netdevsim netdevsim462 eni462np1: renamed from eth0
[  529.011579] netdevsim netdevsim530 eni530np1: renamed from eth1
[  529.256302] Could not find device with ifindex 2000 in netnsfd 11
[  529.256602] Could not find netns with fd: 2000
[  529.256738] Cannot link a netdevsim to itself
[  529.256891] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).