[  454.582821] netdevsim netdevsim484 eni484np1: renamed from eth0
[  454.585810] netdevsim netdevsim662 eni662np1: renamed from eth1
[  454.672434] Could not find device with ifindex 2000 in netnsfd 11
[  454.672532] Could not find netns with fd: 2000
[  454.672576] Cannot link a netdevsim to itself
[  454.672633] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).