[  458.734381] netdevsim netdevsim682 eni682np1: renamed from eth1
[  458.734594] netdevsim netdevsim267 eni267np1: renamed from eth0
[  458.826026] Could not find device with ifindex 2000 in netnsfd 11
[  458.826203] Could not find netns with fd: 2000
[  458.826308] Cannot link a netdevsim to itself
[  458.826455] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).