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The message "Cannot bind port X, err=Y" creates only confusion. In metadata based mode, failure of IPv6 socket creation is okay if IPv6 is disabled and no error message should be printed. But when IPv6 tunnel was requested, such failure is fatal. The vxlan_socket_create does not know when the error is harmless and when it's not. Instead of passing such information down to vxlan_socket_create, remove the message completely. It's not useful. We propagate the error code up to the user space and the port number comes from the user space. There's nothing in the message that the process creating vxlan interface does not know. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.