docker 컨테이너 IP 주소 docker 서비스를 시작하면 "docker:0" 라는 브릿지 인터페이스가 생성된다. [root@235 network]# systemctl start docker[root@235 network]# ifconfigdocker0: flags=4099 mtu 1500 inet 172.17.0.1 netmask 255.255.0.0 broadcast 0.0.0.0 inet6 fe80::42:60ff:fed3:91a8 prefixlen 64 scopeid 0x20 ether 02:42:60:d3:91:a8 txqueuelen 0 (Ethernet) RX packets 101 bytes 11575 (11.3 KiB) RX errors 0 dropped 0 overruns 0 fram..