[  521.480924] netdevsim netdevsim293 eni293np1: renamed from eth0
[  521.577819] netdevsim netdevsim568 eni568np1: renamed from eth1
[  521.857719] Could not find device with ifindex 2000 in netnsfd 11
[  521.857932] Could not find netns with fd: 2000
[  521.858043] Cannot link a netdevsim to itself
[  521.858194] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).