Ooodles of "DHCPREQUEST for 169.254.x.x" caused by broken dhcpcd

Chuck Anderson cra at WPI.EDU
Fri Oct 19 13:50:35 UTC 2007


Here is just 1 second of log entries from an event that spammed the 
DHCP server with bad requests:

Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPDISCOVER from aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPOFFER on w.x.y.94 to aa:bb:cc:dd:ee:ff via w.x.y.2
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.3: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.3
Oct 18 22:40:34 server dhcpd: DHCPREQUEST for 169.254.15.102 from aa:bb:cc:dd:ee:ff via w.x.y.2: wrong network.
Oct 18 22:40:34 server dhcpd: DHCPNAK on 169.254.15.102 to aa:bb:cc:dd:ee:ff via w.x.y.2

Has anyone else seen this and know what causes it?  In every case this 
has happened recently, the client seems to be dhcpcd 3.1.5 or 3.1.6.


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