[  480.554941] netdevsim netdevsim413 eni413np1: renamed from eth0
[  480.556333] netdevsim netdevsim531 eni531np1: renamed from eth0
[  480.656397] Could not find device with ifindex 2000 in netnsfd 11
[  480.656519] Could not find netns with fd: 2000
[  480.656574] Cannot link a netdevsim to itself
[  480.656636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).