The dockers are coming out on strike for higher wages.
And Mr Mugabe's Chinese friends, foiled by southern African dockers who recently stopped a shipload of arms from reaching him, may be keeping their distance too.
Solidarity action was taken, however, by railworkers and by dockers, who were both threatened with dismissal if they refused to handle coal.
Such a view was clearly not shared by the dockers, who greeted the release of their colleagues as a triumphant victory, and carried them through the streets shoulder high.
Dress the part: this is no time for dockers and starched shirts.
On the other side of the hawser was a hostile knot of young dockers.