[  475.393191] netdevsim netdevsim344 eni344np1: renamed from eth0
[  475.395876] netdevsim netdevsim728 eni728np1: renamed from eth0
[  475.481443] Could not find device with ifindex 2000 in netnsfd 11
[  475.481538] Could not find netns with fd: 2000
[  475.481581] Cannot link a netdevsim to itself
[  475.481628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).