[  486.094247] netdevsim netdevsim411 eni411np1: renamed from eth0
[  486.194545] netdevsim netdevsim653 eni653np1: renamed from eth1
[  486.523083] Could not find device with ifindex 2000 in netnsfd 11
[  486.523267] Could not find netns with fd: 2000
[  486.523365] Cannot link a netdevsim to itself
[  486.523485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).