open-mpi/ompi-release — pull request #122 by ggouaillardet (2014-12-15 07:50:55+00:00)
Title: oob/tcp: display a warning only from orted/mpirun if no loopback

interface is found.

Based on Paul's comment, limit the number of messages emitted when no loopback interface is found :
only mpirun/orted issues such message.