[  846.261388][T15784] netdevsim netdevsim475 eni475np1: renamed from eth0
[  846.296002][T15783] netdevsim netdevsim573 eni573np1: renamed from eth1
[  847.075449][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  847.075994][T15772] Could not find netns with fd: 2000
[  847.076391][T15772] Cannot link a netdevsim to itself
[  847.076809][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).