[  834.697142][T15789] netdevsim netdevsim427 eni427np1: renamed from eth0
[  834.701125][T15790] netdevsim netdevsim702 eni702np1: renamed from eth1
[  835.313436][T15777] Could not find device with ifindex 2000 in netnsfd 11
[  835.314134][T15777] Could not find netns with fd: 2000
[  835.314887][T15777] Cannot link a netdevsim to itself
[  835.315634][T15777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).