#docker network ls
NETWORK ID NAME DRIVER SCOPE
32cd2d55155f bridge bridge local
b7fe5d1b69a7 host host local
de5ae709fdcd none null local
$ ifconfig
docker0 Link encap:Ethernet HWaddr 02:42:47:bc:3a:eb
inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::42:47ff:febc:3aeb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:9001 Metric:1
RX packets:17 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1100 (1.1 KB) TX bytes:648 (648.0 B)
# docker run -itd --name=container1 alpine
3386a527aa08b37ea9232cbcace2d2458d49f44bb05a6b775fba7ddd40d8f92c
# docker run -itd --name=container2 alpine
94447ca479852d29aeddca75c28f7104df3c3196d7b6d83061879e339946805c
# brctl show
br-2c601356b5d5 8000.0242b41afdcb no vetha2743d6
docker0 8000.0242fbdce780 no veth46fbe31
# docker run -itd --name blue2 alpine 8c1a0a5be480921d669a073393ade66a3fc49933f08bcc5515b37b8144f6d47c