[  859.860586][T15786] netdevsim netdevsim478 eni478np1: renamed from eth0
[  859.890298][T15785] netdevsim netdevsim742 eni742np1: renamed from eth1
[  860.488712][T15774] Could not find device with ifindex 2000 in netnsfd 11
[  860.489376][T15774] Could not find netns with fd: 2000
[  860.489841][T15774] Cannot link a netdevsim to itself
[  860.490361][T15774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).