Adding logs for ipam state

Signed-off-by: Abhinandan Prativadi <abhi@docker.com>

libnetwork/bitseq/sequence.go

@@ -326,7 +326,6 @@ func (h *Handle) set(ordinal, start, end uint64, any bool, release bool, serial
 			}
 			h.Lock() // Acquire the lock back
 		}
-		logrus.Debugf("Received set for ordinal %v, start %v, end %v, any %t, release %t, serial:%v curr:%d \n", ordinal, start, end, any, release, serial, h.curr)
 		if serial {
 			curr = h.curr
 		}
@@ -466,8 +465,8 @@ func (h *Handle) Unselected() uint64 {
 func (h *Handle) String() string {
 	h.Lock()
 	defer h.Unlock()
-	return fmt.Sprintf("App: %s, ID: %s, DBIndex: 0x%x, bits: %d, unselected: %d, sequence: %s",
-		h.app, h.id, h.dbIndex, h.bits, h.unselected, h.head.toString())
+	return fmt.Sprintf("App: %s, ID: %s, DBIndex: 0x%x, Bits: %d, Unselected: %d, Sequence: %s Curr:%d",
+		h.app, h.id, h.dbIndex, h.bits, h.unselected, h.head.toString(), h.curr)
 }
 
 // MarshalJSON encodes Handle into json message

libnetwork/ipam/allocator.go

@@ -526,6 +526,7 @@ func (a *Allocator) ReleaseAddress(poolID string, address net.IP) error {
 		return types.InternalErrorf("could not find bitmask in datastore for %s on address %v release from pool %s: %v",
 			k.String(), address, poolID, err)
 	}
+	defer logrus.Debugf("Released address PoolID:%s, Address:%v Sequence:%s", poolID, address, bm.String())
 
 	return bm.Unset(ipToUint64(h))
 }
@@ -537,6 +538,7 @@ func (a *Allocator) getAddress(nw *net.IPNet, bitmask *bitseq.Handle, prefAddres
 		base    *net.IPNet
 	)
 
+	logrus.Debugf("Request address PoolID:%v %s Serial:%v PrefAddress:%v ", nw, bitmask.String(), serial, prefAddress)
 	base = types.GetIPNetCopy(nw)
 
 	if bitmask.Unselected() <= 0 {