[  704.573847][T13147] netdevsim netdevsim499 eni499np1: renamed from eth0
[  704.598191][T13149] netdevsim netdevsim753 eni753np1: renamed from eth1
[  705.233304][T13134] Could not find device with ifindex 2000 in netnsfd 11
[  705.234259][T13134] Could not find netns with fd: 2000
[  705.234760][T13134] Cannot link a netdevsim to itself
[  705.238531][T13134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).