[  473.072876] netdevsim netdevsim391 eni391np1: renamed from eth0
[  473.073480] netdevsim netdevsim692 eni692np1: renamed from eth1
[  473.187198] Could not find device with ifindex 2000 in netnsfd 11
[  473.187295] Could not find netns with fd: 2000
[  473.187339] Cannot link a netdevsim to itself
[  473.187395] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).