lisp_mod: fix socket buffer overflow
lisp_mod: fix socket buffer overflow

Signed-off-by: Albert Lopez <2c564424f11a1ae4ca64e5eeff9913b1b0f244c3@ac.upc.edu>

Lluiso/oor,OpenOverlayRouter/oor,OpenOverlayRouter/oor,OpenOverlayRouter/oor,OpenOverlayRouter/oor,Lluiso/oor,OpenOverlayRouter/oor,Lluiso/oor,OpenOverlayRouter/oor,Lluiso/oor,OpenOverlayRouter/oor,Lluiso/oor