neigh_dbg
neigh_dbg(2, "neigh %p is failed\n", neigh);
neigh_dbg(2, "neigh %p is still alive\n", neigh);
neigh_dbg(2, "neigh %p is delayed\n", neigh);
neigh_dbg(2, "neigh %p is suspected\n", neigh);
neigh_dbg(2, "neigh %p is now reachable\n", neigh);
neigh_dbg(2, "neigh %p is probed\n", neigh);
neigh_dbg(2, "neigh %p is delayed\n", neigh);
neigh_dbg(2, "neigh %p is stray\n", n);
neigh_dbg(2, "neigh %p is created\n", n);
neigh_dbg(2, "neigh %p is destroyed\n", neigh);
neigh_dbg(2, "neigh %p is suspected\n", neigh);
neigh_dbg(2, "neigh %p is connected\n", neigh);