[  491.535789] netdevsim netdevsim564 eni564np1: renamed from eth1
[  491.632005] netdevsim netdevsim484 eni484np1: renamed from eth0
[  491.862573] Could not find device with ifindex 2000 in netnsfd 11
[  491.862921] Could not find netns with fd: 2000
[  491.863006] Cannot link a netdevsim to itself
[  491.863117] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).