[  950.921358][T12473] netdevsim netdevsim269 eni269np1: renamed from eth0
[  950.944841][T12474] netdevsim netdevsim561 eni561np1: renamed from eth1
[  952.580283][T12465] Could not find device with ifindex 2000 in netnsfd 11
[  952.581065][T12465] Could not find netns with fd: 2000
[  952.581994][T12465] Cannot link a netdevsim to itself
[  952.582682][T12465] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).