Comment 7 for bug 1396003

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Jian Wen (wenjianhn) wrote : Re: Resize failed in finish_resize function, the instance disappeared and can not rollback.

I reproduced the bug by adding an exception to finish_migration().
" vif_type=binding_failed" means neutron failed to bind the port to the compute host.
You cannot rollback the instance since Neutron doesn't support so.
I don't think we can fix the bug in Nova.

p.s.
The error log is not friendly to users.