[  487.809756] netdevsim netdevsim392 eni392np1: renamed from eth0
[  487.911137] netdevsim netdevsim712 eni712np1: renamed from eth1
[  488.278516] Could not find device with ifindex 2000 in netnsfd 11
[  488.278665] Could not find netns with fd: 2000
[  488.278765] Cannot link a netdevsim to itself
[  488.278864] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).