[  856.121637][T15658] netdevsim netdevsim296 eni296np1: renamed from eth0
[  856.135576][T15660] netdevsim netdevsim608 eni608np1: renamed from eth1
[  856.903066][T15645] Could not find device with ifindex 2000 in netnsfd 11
[  856.903784][T15645] Could not find netns with fd: 2000
[  856.904279][T15645] Cannot link a netdevsim to itself
[  856.904811][T15645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).