Try this:
class SkipToEpoch(Callback):
def __init__(self,s_epoch): self.s_epoch = s_epoch
def begin_train(self): if self.epoch < self.s_epoch: raise CancelEpochException
def begin_validate(self): if self.epoch < self.s_epoch: raise CancelValidException
Then add it to your callbacks:
learn.fit_one_cycle(1,3e-3, cbs=cbs+SkipToEpoch(11))
of course, load the model before.