[  807.517440][T15785] netdevsim netdevsim457 eni457np1: renamed from eth0
[  807.535636][T15784] netdevsim netdevsim723 eni723np1: renamed from eth1
[  808.172250][T15773] Could not find device with ifindex 2000 in netnsfd 11
[  808.172923][T15773] Could not find netns with fd: 2000
[  808.173400][T15773] Cannot link a netdevsim to itself
[  808.173934][T15773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).