[  774.536739][T13063] netdevsim netdevsim416 eni416np1: renamed from eth0
[  774.564599][T13065] netdevsim netdevsim533 eni533np1: renamed from eth1
[  775.367951][T13050] Could not find device with ifindex 2000 in netnsfd 11
[  775.369019][T13050] Could not find netns with fd: 2000
[  775.370064][T13050] Cannot link a netdevsim to itself
[  775.370980][T13050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).