Jakub, the "setautomntent" message occurs at the same time when autofs fails to mount shares on startup. So, while itself it is not a bug and nobody here suggests that the message should be silenced, it is nonetheless one of the symptoms of the problem, which is caused most likely by a number of individual bugs, none of them actually in autofs code. Similarly a fever is not an illness, but it is usually a symptom of one.
Jakub, the "setautomntent" message occurs at the same time when autofs fails to mount shares on startup. So, while itself it is not a bug and nobody here suggests that the message should be silenced, it is nonetheless one of the symptoms of the problem, which is caused most likely by a number of individual bugs, none of them actually in autofs code. Similarly a fever is not an illness, but it is usually a symptom of one.