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yancey@ yancey-macbook k8s$kubectl get svc
NAME               CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
hadoop-zookeeper   10.0.0.120   <none>        2181/TCP   1h
kubernetes         10.0.0.1     <none>        443/TCP    1h

yancey@ yancey-macbook k8s$kubectl exec  hadoop-zookeeper-x96rj telnet 10.0.0.1 443
telnet: can't connect to remote host (10.0.0.1): Connection refused
error: error executing remote command: Error executing command in container: Error executing in Docker Container: 1

docker0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1450
        inet 10.1.4.1  netmask 255.255.255.0  broadcast 0.0.0.0
        inet6 fe80::42:bcff:fef3:35ab  prefixlen 64  scopeid 0x20<link>
        ether 02:42:bc:f3:35:ab  txqueuelen 0  (Ethernet)
        RX packets 159  bytes 12380 (12.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 21  bytes 1242 (1.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.0.2.15  netmask 255.255.255.0  broadcast 10.0.2.255
        inet6 fe80::a00:27ff:fea7:5e9e  prefixlen 64  scopeid 0x20<link>
        ether 08:00:27:a7:5e:9e  txqueuelen 1000  (Ethernet)
        RX packets 97026  bytes 76268827 (72.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 45284  bytes 3009253 (2.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.17.8.102  netmask 255.255.255.0  broadcast 172.17.8.255
        inet6 fe80::a00:27ff:feda:478f  prefixlen 64  scopeid 0x20<link>
        ether 08:00:27:da:47:8f  txqueuelen 1000  (Ethernet)
        RX packets 39909  bytes 4961258 (4.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 40458  bytes 4070934 (3.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

flannel.1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1450
        inet 10.1.4.0  netmask 255.255.0.0  broadcast 0.0.0.0
        inet6 fe80::b3:c3ff:fe13:4d94  prefixlen 64  scopeid 0x20<link>
        ether 02:b3:c3:13:4d:94  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 8 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1  (Local Loopback)
        RX packets 2360  bytes 122960 (120.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2360  bytes 122960 (120.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth054ea6f: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1450
        inet6 fe80::60c5:d4ff:fe2e:b234  prefixlen 64  scopeid 0x20<link>
        ether 62:c5:d4:2e:b2:34  txqueuelen 0  (Ethernet)
        RX packets 159  bytes 14606 (14.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 29  bytes 1890 (1.8 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

core-v2-02 init # iptables-save -t nat
...
-A KUBE-SEP-OGNOLD2JUSLFPOMZ -s 10.0.2.15/32 -m comment --comment "default/kubernetes:https" -j KUBE-MARK-MASQ
-A KUBE-SEP-OGNOLD2JUSLFPOMZ -p tcp -m comment --comment "default/kubernetes:https" -m tcp -j DNAT --to-destination 10.0.2.15:6443
-A KUBE-SERVICES -d 10.0.0.1/32 -p tcp -m comment --comment "default/kubernetes:https cluster IP" -m tcp --dport 443 -j KUBE-SVC-NPX46M4PTMTKRN6Y
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
...

16/05/08 15:56:36 ERROR scheduler.SchedulerApplicationAttempt: Error trying to assign container token and NM token to an allocated container container_1462716844418_0001_01_000001
java.lang.IllegalArgumentException: java.net.UnknownHostException: hadoop-slave-qjzbu
    at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374)
    at org.apache.hadoop.yarn.server.utils.BuilderUtils.newContainerToken(BuilderUtils.java:256)
    at org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager.createContainerToken(RMContainerTokenSecretManager.java:220)
    at org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.pullNewlyAllocatedContainersAndNMTokens(SchedulerApplicationAttempt.java:448)
    at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.allocate(FairScheduler.java:921)