[  484.070241] netdevsim netdevsim279 eni279np1: renamed from eth0
[  484.070738] netdevsim netdevsim515 eni515np1: renamed from eth1
[  484.158815] Could not find device with ifindex 2000 in netnsfd 11
[  484.158901] Could not find netns with fd: 2000
[  484.158942] Cannot link a netdevsim to itself
[  484.158989] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).