[  806.468590][T15772] netdevsim netdevsim490 eni490np1: renamed from eth0
[  806.487391][T15771] netdevsim netdevsim549 eni549np1: renamed from eth1
[  807.072057][T15760] Could not find device with ifindex 2000 in netnsfd 11
[  807.072604][T15760] Could not find netns with fd: 2000
[  807.073013][T15760] Cannot link a netdevsim to itself
[  807.073448][T15760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).