[  473.683715] netdevsim netdevsim584 eni584np1: renamed from eth1
[  473.684397] netdevsim netdevsim410 eni410np1: renamed from eth0
[  473.767328] Could not find device with ifindex 2000 in netnsfd 11
[  473.767438] Could not find netns with fd: 2000
[  473.767497] Cannot link a netdevsim to itself
[  473.767550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).