[  813.868196][T15818] netdevsim netdevsim436 eni436np1: renamed from eth0
[  813.903210][T15820] netdevsim netdevsim734 eni734np1: renamed from eth1
[  814.534090][T15807] Could not find device with ifindex 2000 in netnsfd 11
[  814.534707][T15807] Could not find netns with fd: 2000
[  814.535183][T15807] Cannot link a netdevsim to itself
[  814.535688][T15807] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).