[  473.462625] netdevsim netdevsim448 eni448np1: renamed from eth0
[  473.463140] netdevsim netdevsim692 eni692np1: renamed from eth1
[  473.538716] Could not find device with ifindex 2000 in netnsfd 11
[  473.538815] Could not find netns with fd: 2000
[  473.538868] Cannot link a netdevsim to itself
[  473.538928] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).