[  479.672697] netdevsim netdevsim269 eni269np1: renamed from eth0
[  479.673851] netdevsim netdevsim599 eni599np1: renamed from eth0
[  479.768651] Could not find device with ifindex 2000 in netnsfd 11
[  479.768772] Could not find netns with fd: 2000
[  479.768820] Cannot link a netdevsim to itself
[  479.768895] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).