-@nx02 ~/code/charms/midonet-helpers $ bzr push lp:midonet-helpers 
Unable to negotiate with 91.189.95.84: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1
ConnectionReset reading response for 'BzrDir.open_2.1', retrying
Unable to negotiate with 91.189.95.84: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1
bzr: ERROR: Connection closed: Unexpected end of message. Please check connectivity and permissions, and report a bug if problems persist.