[  477.967969] netdevsim netdevsim319 eni319np1: renamed from eth0
[  477.968466] netdevsim netdevsim543 eni543np1: renamed from eth1
[  478.050946] Could not find device with ifindex 2000 in netnsfd 11
[  478.051032] Could not find netns with fd: 2000
[  478.051083] Cannot link a netdevsim to itself
[  478.051141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).