[  803.864737][T14630] netdevsim netdevsim402 eni402np1: renamed from eth0
[  803.894487][T14632] netdevsim netdevsim687 eni687np1: renamed from eth1
[  804.714206][T14618] Could not find device with ifindex 2000 in netnsfd 11
[  804.715095][T14618] Could not find netns with fd: 2000
[  804.716113][T14618] Cannot link a netdevsim to itself
[  804.716865][T14618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).