[  518.921950] netdevsim netdevsim284 eni284np1: renamed from eth0
[  519.019243] netdevsim netdevsim635 eni635np1: renamed from eth1
[  519.250265] Could not find device with ifindex 2000 in netnsfd 11
[  519.250442] Could not find netns with fd: 2000
[  519.250532] Cannot link a netdevsim to itself
[  519.250637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).