[  478.554767] netdevsim netdevsim436 eni436np1: renamed from eth0
[  478.555651] netdevsim netdevsim514 eni514np1: renamed from eth0
[  478.644738] Could not find device with ifindex 2000 in netnsfd 11
[  478.644837] Could not find netns with fd: 2000
[  478.644886] Cannot link a netdevsim to itself
[  478.644944] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).