[  484.339110] netdevsim netdevsim366 eni366np1: renamed from eth0
[  484.441040] netdevsim netdevsim655 eni655np1: renamed from eth1
[  484.796009] Could not find device with ifindex 2000 in netnsfd 11
[  484.796158] Could not find netns with fd: 2000
[  484.796234] Cannot link a netdevsim to itself
[  484.796327] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).