[  475.726947] netdevsim netdevsim488 eni488np1: renamed from eth0
[  475.727782] netdevsim netdevsim712 eni712np1: renamed from eth0
[  475.803293] Could not find device with ifindex 2000 in netnsfd 11
[  475.803401] Could not find netns with fd: 2000
[  475.803467] Cannot link a netdevsim to itself
[  475.803536] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).