[  473.844051] netdevsim netdevsim407 eni407np1: renamed from eth0
[  473.844411] netdevsim netdevsim691 eni691np1: renamed from eth1
[  473.932285] Could not find device with ifindex 2000 in netnsfd 11
[  473.932364] Could not find netns with fd: 2000
[  473.932406] Cannot link a netdevsim to itself
[  473.932457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).