[  486.832760] netdevsim netdevsim459 eni459np1: renamed from eth0
[  486.933532] netdevsim netdevsim545 eni545np1: renamed from eth1
[  487.276390] Could not find device with ifindex 2000 in netnsfd 11
[  487.276551] Could not find netns with fd: 2000
[  487.276639] Cannot link a netdevsim to itself
[  487.276744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).