Hi Jeff,
I also posted the question on stackoverflow, and I think I need to reinstall / reconfigure the Docker.
But if you think you can suggest something else then please.
> ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether c4:8e:8f:f7:6a:9d brd ff:ff:ff:ff:ff:ff
inet 192.168.1.4/24 brd 192.168.1.255 scope global dynamic wlp2s0
valid_lft 3040sec preferred_lft 3040sec
inet6 fe80::c68e:8fff:fef7:6a9d/64 scope link
valid_lft forever preferred_lft forever
> iptables-save
# Generated by iptables-save v1.4.21 on Mon Jan 11 19:33:53 2016
*nat
:PREROUTING ACCEPT [50763:11316286]
:INPUT ACCEPT [50146:11196027]
:OUTPUT ACCEPT [17266:1062269]
:POSTROUTING ACCEPT [17266:1062269]
COMMIT
# Completed on Mon Jan 11 19:33:53 2016
# Generated by iptables-save v1.4.21 on Mon Jan 11 19:33:53 2016
*mangle
:PREROUTING ACCEPT [574917:384087498]
:INPUT ACCEPT [574294:383966999]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [305409:96060129]
:POSTROUTING ACCEPT [305497:96065929]
:connman-INPUT - [0:0]
:connman-POSTROUTING - [0:0]
-A INPUT -j connman-INPUT
-A POSTROUTING -j connman-POSTROUTING
-A connman-INPUT -j CONNMARK --restore-mark --nfmask 0xffffffff --ctmask 0xffffffff
-A connman-POSTROUTING -j CONNMARK --save-mark --nfmask 0xffffffff --ctmask 0xffffffff
COMMIT
# Completed on Mon Jan 11 19:33:53 2016
# Generated by iptables-save v1.4.21 on Mon Jan 11 19:33:53 2016
*filter
:INPUT ACCEPT [574294:383966999]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [305409:96060129]
COMMIT
# Completed on Mon Jan 11 19:33:53 2016
> docker info
Containers: 31
Images: 57
Server Version: 1.9.1
Storage Driver: devicemapper
Pool Name: docker-8:5-548039-pool
Pool Blocksize: 65.54 kB
Base Device Size: 107.4 GB
Backing Filesystem:
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 3.584 GB
Data Space Total: 107.4 GB
Data Space Available: 7.741 GB
Metadata Space Used: 7.496 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.14 GB
Udev Sync Supported: true
Deferred Removal Enabled: false
Deferred Deletion Enabled: false
Deferred Deleted Device Count: 0
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.113 (2015-12-05)
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 4.2.5-1-ARCH
Operating System: Arch Linux (containerized)
CPUs: 4
Total Memory: 7.709 GiB
Name: arch
ID: OF5Y:H7O4:M4R6:GCF6:NSEU:LNG6:K7NV:FJDM:DUVI:6KOM:LTRB:EUPP
> \> **ps faux | grep docker**
> val 1663 0.0 0.0 10724 2308 pts/4 S+ 19:38 0:00 | \_ grep --color=auto --exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg --exclude-dir=.svn docker
> root 1357 2.8 0.4 470960 36016 ? Ssl 19:38 0:00 /usr/bin/docker daemon -H fd:// --exec-opt native.cgroupdriver=cgroupfs