我的lfs拨adsl后边慢了

lionux

pppoe-stop时出现
/usr/sbin/pppoe-stop: line 66: /usr/bin/logger: No such file or directory
Killing pppd (7744)
/usr/sbin/pppoe-stop: line 80: /usr/bin/logger: No such file or directory
Killing pppoe-connect (7724)

拨上后不时出现类似

IN=ppp0 OUT= MAC= SRC=217.82.32.43 DST=217.80.211.16 LEN=48 TOS=0x00 PREC=0x00 TTL=124 ID=65456 DF PROTO=TCP SPT=3824 DPT=4662 WINDOW=32767 RES=0x00 SYN URGP=0
kernel: drop_log IN=ppp0 OUT= MAC= SRC=217.82.32.43 DST=217.80.211.16 LEN=48 TOS=0x00 PREC=0x00 TTL=124 ID=14513 DF PROTO=TCP SPT=3824 DPT=4662 WINDOW=32767 RES=0x00 SYN URGP=0

上不了网了