[  491.033679] netdevsim netdevsim628 eni628np1: renamed from eth1
[  491.129754] netdevsim netdevsim443 eni443np1: renamed from eth0
[  491.372584] Could not find device with ifindex 2000 in netnsfd 11
[  491.372981] Could not find netns with fd: 2000
[  491.373065] Cannot link a netdevsim to itself
[  491.373157] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).