[  473.039379] netdevsim netdevsim288 eni288np1: renamed from eth0
[  473.040275] netdevsim netdevsim564 eni564np1: renamed from eth0
[  473.119624] Could not find device with ifindex 2000 in netnsfd 11
[  473.119698] Could not find netns with fd: 2000
[  473.119740] Cannot link a netdevsim to itself
[  473.119789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).