[  691.705860][T13062] netdevsim netdevsim290 eni290np1: renamed from eth0
[  691.724045][T13064] netdevsim netdevsim685 eni685np1: renamed from eth1
[  692.552568][T13050] Could not find device with ifindex 2000 in netnsfd 11
[  692.553877][T13050] Could not find netns with fd: 2000
[  692.554491][T13050] Cannot link a netdevsim to itself
[  692.555245][T13050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).