list routing table for all interfaces : [{'dest': '0.0.0.0', 'flags': '0003', 'gateway': '192.168.42.129', 'iface': 'usb0', 'irtt': '0', 'mask': '0.0.0.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '00000000', 'x_gateway': '812AA8C0', 'x_mask': '00000000'}, {'dest': '0.0.0.0', 'flags': '0003', 'gateway': '192.168.42.129', 'iface': 'usb0', 'irtt': '0', 'mask': '0.0.0.0', 'metric': '100', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '00000000', 'x_gateway': '812AA8C0', 'x_mask': '00000000'}, {'dest': '10.0.32.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'br-74037696e854', 'irtt': '0', 'mask': '255.255.255.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '0020000A', 'x_gateway': '00000000', 'x_mask': '00FFFFFF'}, {'dest': '169.254.0.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'veth2b4d68c', 'irtt': '0', 'mask': '255.255.0.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '0000FEA9', 'x_gateway': '00000000', 'x_mask': '0000FFFF'}, {'dest': '169.254.0.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'vnet20', 'irtt': '0', 'mask': '255.255.0.0', 'metric': '1000', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '0000FEA9', 'x_gateway': '00000000', 'x_mask': '0000FFFF'}, {'dest': '172.17.0.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'docker0', 'irtt': '0', 'mask': '255.255.0.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '000011AC', 'x_gateway': '00000000', 'x_mask': '0000FFFF'}, {'dest': '172.18.0.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'docker_gwbridge', 'irtt': '0', 'mask': '255.255.0.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '000012AC', 'x_gateway': '00000000', 'x_mask': '0000FFFF'}, {'dest': '192.168.16.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'br-5d11025eb09f', 'irtt': '0', 'mask': '255.255.255.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '0010A8C0', 'x_gateway': '00000000', 'x_mask': '00FFFFFF'}, {'dest': '192.168.20.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'vnet20', 'irtt': '0', 'mask': '255.255.255.0', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '0014A8C0', 'x_gateway': '00000000', 'x_mask': '00FFFFFF'}, {'dest': '192.168.42.0', 'flags': '0001', 'gateway': '0.0.0.0', 'iface': 'usb0', 'irtt': '0', 'mask': '255.255.255.0', 'metric': '101', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '002AA8C0', 'x_gateway': '00000000', 'x_mask': '00FFFFFF'}, {'dest': '192.168.42.129', 'flags': '0005', 'gateway': '0.0.0.0', 'iface': 'usb0', 'irtt': '0', 'mask': '255.255.255.255', 'metric': '0', 'mtu': '0', 'refcnt': '0', 'timestamp': 1525689780, 'use': '0', 'window': '0', 'x_dest': '812AA8C0', 'x_gateway': '00000000', 'x_mask': 'FFFFFFFF'}]