diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index 173f9ffb7..296750db9 100755
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -72,7 +72,6 @@ cd /tmp || die
     }
 
     [ $BUILD_TARGET != posix-ncp ] || {
-        pip install blessed || die
         pip install ipaddress || die
         pip install scapy || die
         pip install pyserial || die
diff --git a/tests/scripts/Makefile.am b/tests/scripts/Makefile.am
index c3fe2a2ab..825b6da40 100644
--- a/tests/scripts/Makefile.am
+++ b/tests/scripts/Makefile.am
@@ -236,7 +236,6 @@ TESTS                                                              = \
     $(NULL)
 
 XFAIL_NCP_TESTS                                                        = \
-        thread-cert/Cert_5_3_10_AddressQuery.py                          \
         thread-cert/Cert_5_6_06_NetworkDataExpiration.py                 \
         thread-cert/Cert_5_6_08_ContextManagement.py                     \
         thread-cert/Cert_9_2_13_EnergyScan.py                            \
diff --git a/tests/scripts/thread-cert/Cert_5_3_10_AddressQuery.py b/tests/scripts/thread-cert/Cert_5_3_10_AddressQuery.py
index 157d4d3e6..221f98766 100755
--- a/tests/scripts/thread-cert/Cert_5_3_10_AddressQuery.py
+++ b/tests/scripts/thread-cert/Cert_5_3_10_AddressQuery.py
@@ -38,7 +38,7 @@ ROUTER2 = 3
 ROUTER3 = 4
 SED2 = 5
 
-class Cert_5_3_9_AddressQuery(unittest.TestCase):
+class Cert_5_3_10_AddressQuery(unittest.TestCase):
     def setUp(self):
         self.nodes = {}
         for i in range(1,6):
diff --git a/tests/scripts/thread-cert/node.py b/tests/scripts/thread-cert/node.py
index 2001606ef..0c2290043 100755
--- a/tests/scripts/thread-cert/node.py
+++ b/tests/scripts/thread-cert/node.py
@@ -86,9 +86,10 @@ class Node:
         cmd += ' %d' % nodeid
         print ("%s" % cmd)
 
-        self.pexpect = pexpect.spawn(cmd, timeout=2)
+        self.pexpect = pexpect.spawn(cmd, timeout=4)
         time.sleep(0.1)
         self.pexpect.expect('spinel-cli >')
+        self.debug(int(os.getenv('DEBUG', '0')))
  
     def __init_soc(self, nodeid):
         """ Initialize a System-on-a-chip node connected via UART. """
diff --git a/tools/spinel-cli/spinel-cli.py b/tools/spinel-cli/spinel-cli.py
index 9a060f736..ca539a8e8 100644
--- a/tools/spinel-cli/spinel-cli.py
+++ b/tools/spinel-cli/spinel-cli.py
@@ -1322,8 +1322,10 @@ class WpanApi(SpinelCodec):
         if (prop == SPINEL_PROP_STREAM_NET):
             pkt = IPv6(value[2:])
             if ICMPv6EchoReply in pkt:
+                timenow = int(round(time.time() * 1000)) & 0xFFFFFFFF
+                timedelta = (timenow - unpack('>I', pkt.data)[0])
                 print "\n%d bytes from %s: icmp_seq=%d hlim=%d time=%dms" % (
-                    pkt.plen, pkt.src, pkt.seq, pkt.hlim, 80)
+                    pkt.plen, pkt.src, pkt.seq, pkt.hlim, timedelta)
             return
 
         if (tid != self.tid_filter) or (prop != self.prop_filter): return
@@ -1484,6 +1486,7 @@ class WpanDiagsCmd(Cmd, SpinelCodec):
         'channel', 
         'child', 
         'childtimeout', 
+        'commissioner', 
         'contextreusedelay', 
         'counter', 
         'discover', 
@@ -1817,6 +1820,44 @@ class WpanDiagsCmd(Cmd, SpinelCodec):
         """
         self.handle_property(line, SPINEL_PROP_THREAD_CHILD_TIMEOUT, 'L')
 
+    def do_commissioner(self, line): 
+        """
+        These commands are enabled when configuring with --enable-commissioner.
+
+        \033[1m
+        commissioner start
+        \033[0m
+            Start the Commissioner role on this node.
+        \033[2m
+            > commissioner start
+            Done
+        \033[0m\033[1m
+        commissioner stop
+        \033[0m
+            Stop the Commissioner role on this node.
+        \033[2m
+            > commissioner stop
+            Done
+        \033[0m\033[1m
+        commissioner panid <panid> <mask> <destination>
+        \033[0m
+            Perform panid query.
+        \033[2m
+            > commissioner panid 57005 4294967295 ff33:0040:fdde:ad00:beef:0:0:1
+            Conflict: dead, 00000800
+            Done
+        \033[0m\033[1m
+        commissioner energy <mask> <count> <period> <scanDuration>
+        \033[0m
+            Perform energy scan.
+        \033[2m
+            > commissioner energy 327680 2 32 1000 fdde:ad00:beef:0:0:ff:fe00:c00
+            Energy: 00050000 0 0 0 0 
+            Done
+        \033[0m
+        """
+        pass
+
     def do_contextreusedelay(self, line):
         """
         contextreusedelay
@@ -2297,7 +2338,9 @@ class WpanDiagsCmd(Cmd, SpinelCodec):
             # Generate local ping packet and send directly via spinel.
             ML64 = self.prop_get_value(SPINEL_PROP_IPV6_ML_ADDR)
             ML64 = str(ipaddress.IPv6Address(ML64))
-            ping_req = str(IPv6(src=ML64, dst=addr)/ICMPv6EchoRequest())
+            timenow = int(round(time.time() * 1000)) & 0xFFFFFFFF
+            timenow = pack('>I', timenow)
+            ping_req = str(IPv6(src=ML64, dst=addr)/ICMPv6EchoRequest()/timenow)
             self.wpanApi.ip_send(ping_req)
             # Let handler print result
         except: