use common formatting string in killerbee.show_dev()
use common formatting string in killerbee.show_dev()

rfmcpherson/killerbee,rfmcpherson/killerbee,Crypt0s/killerbee,Crypt0s/killerbee,rfmcpherson/killerbee,Crypt0s/killerbee,rfmcpherson/killerbee,Crypt0s/killerbee