[  459.011896] netdevsim netdevsim613 eni613np1: renamed from eth1
[  459.012158] netdevsim netdevsim323 eni323np1: renamed from eth0
[  459.102531] Could not find device with ifindex 2000 in netnsfd 11
[  459.102650] Could not find netns with fd: 2000
[  459.102700] Cannot link a netdevsim to itself
[  459.102752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).