Fix logging for tf.output

[chanwit]

We should wrap tf.Output with logging disabled as well.

outputs, err := r.tf.Output(ctx) 

cc @greenu

[greenu]

That was superfast! Thanks @chanwit !

[chanwit]

ping @greenu
could you please help test v0.14.4 to see if it fixed your problem?

[greenu]

it works! @chanwit
Thank you!