问题描述：1970-01-01 00:00:04 [5] DSL: ADSL Idle/L3/Activating! 1970-01-01 00:00:04 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 0 1970-01-01 00:00:07 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 0 1970-01-01 00:00:10 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 0 1970-01-01 00:00:10 [5] DHCPD: Recv DISCOVER from 00:24:21:78:2B:DC 1970-01-01 00:00:10 [5] DHCPD: Send OFFER with ip 192.168.1.100 1970-01-01 00:00:10 [5] DHCPD: Recv REQUEST from 00:24:21:78:2B:DC 1970-01-01 00:00:10 [5] DHCPD: Send ACK to 192.168.1.100 1970-01-01 00:00:13 [5] DHCPD: Recv INFORM from 00:24:21:78:2B:DC 1970-01-01 00:00:15 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 1 1970-01-01 00:00:18 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 1 1970-01-01 00:00:21 [5] DHCPC: Recv no OFFER, DHCP Service unavailable 1970-01-01 00:00:32 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 1 1970-01-01 00:00:35 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 1 1970-01-01 00:00:38 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 1 1970-01-01 00:00:43 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 0 1970-01-01 00:00:46 [5] DHCPC: Send DISCOVER with request ip 0.0.0.0 and unicast flag 0 1970-01-01 00:00:49 [5] DHCPC: Recv no OFFER, DHCP Service unavailable 1970-01-01 00:01:03 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x00)] 1970-01-01 00:01:04 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x01)] 1970-01-01 00:01:04 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x02)] 1970-01-01 00:01:05 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x03)] 1970-01-01 00:01:05 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x04)] 1970-01-01 00:01:06 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x05)] 1970-01-01 00:01:07 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x06)] 1970-01-01 00:01:08 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x07)] 1970-01-01 00:01:08 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x08)] 1970-01-01 00:01:08 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x09)] 1970-01-01 00:01:09 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0a)] 1970-01-01 00:01:09 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0b)] 1970-01-01 00:01:10 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0c)] 1970-01-01 00:01:10 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0d)] 1970-01-01 00:01:10 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0e)] 1970-01-01 00:01:11 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x0f)] 1970-01-01 00:01:11 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x10)] 1970-01-01 00:01:12 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x11)] 1970-01-01 00:01:12 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x12)] 1970-01-01 00:01:12 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x13)] 1970-01-01 00:01:12 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x14)] 1970-01-01 00:02:38 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x00)] 1970-01-01 00:02:58 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x01)] 1970-01-01 00:03:18 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x02)] 1970-01-01 00:03:38 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x03)] 1970-01-01 00:03:58 [6] PPP: ppp1 sent [LCP TERM_REQ ID(0x04)]