[  475.595121] netdevsim netdevsim333 eni333np1: renamed from eth0
[  475.596287] netdevsim netdevsim532 eni532np1: renamed from eth0
[  475.684138] Could not find device with ifindex 2000 in netnsfd 11
[  475.684229] Could not find netns with fd: 2000
[  475.684271] Cannot link a netdevsim to itself
[  475.684323] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).