[pkg-dhcp-devel] Bug#664467: /sbin/dhclient: dhclient tryes to recive ip on switched off/cable unplugged interface

[Andrey--k]

Package: isc-dhcp-client
Version: 4.1.1-P1-17
Severity: normal
File: /sbin/dhclient

Dear Maintainer,

I have switched of interface via ifconfig eth0 down, but dhclient was trying to obtain address

/var/log/syslog:

ar 18 00:02:00 k--andrey dhclient: No working leases in persistent database - sleeping.
Mar 18 00:03:19 k--andrey avahi-daemon[1996]: Interface eth0.IPv4 no longer relevant for mDNS.
Mar 18 00:03:19 k--andrey avahi-daemon[1996]: Leaving mDNS multicast group on interface eth0.IPv4 with address 169.254.149.7.
Mar 18 00:03:19 k--andrey dhclient: receive_packet failed on eth0: Network is down
Mar 18 00:03:19 k--andrey avahi-daemon[1996]: Withdrawing address record for 169.254.149.7 on eth0.
Mar 18 00:03:19 k--andrey avahi-autoipd(eth0)[3442]: SIOCSIFFLAGS failed: Permission denied
Mar 18 00:03:19 k--andrey avahi-autoipd(eth0)[3442]: Callout STOP, address 169.254.149.7 on interface eth0
Mar 18 00:03:19 k--andrey avahi-autoipd(eth0)[3443]: client: RTNETLINK answers: No such process
Mar 18 00:07:58 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
Mar 18 00:07:58 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:02 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
Mar 18 00:08:02 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:08 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
Mar 18 00:08:08 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:19 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 20
Mar 18 00:08:19 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:39 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 19
Mar 18 00:08:39 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:58 k--andrey dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 1
Mar 18 00:08:58 k--andrey dhclient: send_packet: Network is down
Mar 18 00:08:59 k--andrey dhclient: No DHCPOFFERS received.
Mar 18 00:08:59 k--andrey dhclient: No working leases in persistent database - sleeping.
Mar 18 00:08:59 k--andrey kernel: [23070.346801] r8169 0000:04:00.0: eth0: link down
Mar 18 00:08:59 k--andrey avahi-autoipd(eth0)[16738]: Found user 'avahi-autoipd' (UID 104) and group 'avahi-autoipd' (GID 107).
Mar 18 00:08:59 k--andrey avahi-autoipd(eth0)[16738]: Successfully called chroot().
Mar 18 00:08:59 k--andrey avahi-autoipd(eth0)[16738]: Successfully dropped root privileges.
Mar 18 00:08:59 k--andrey avahi-autoipd(eth0)[16738]: Starting with address 169.254.149.7
Mar 18 00:08:59 k--andrey kernel: [23070.347654] ADDRCONF(NETDEV_UP): eth0: link is not ready
Mar 18 00:09:01 k--andrey /USR/SBIN/CRON[16741]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete)
Mar 18 00:09:04 k--andrey avahi-autoipd(eth0)[16738]: Callout BIND, address 169.254.149.7 on interface eth0
Mar 18 00:09:04 k--andrey avahi-daemon[1996]: Joining mDNS multicast group on interface eth0.IPv4 with address 169.254.149.7.
Mar 18 00:09:04 k--andrey avahi-daemon[1996]: New relevant interface eth0.IPv4 for mDNS.
Mar 18 00:09:04 k--andrey avahi-daemon[1996]: Registering new address record for 169.254.149.7 on eth0.IPv4.
Mar 18 00:09:08 k--andrey avahi-autoipd(eth0)[16738]: Successfully claimed IP address 169.254.149.7


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (550, 'testing'), (500, 'testing-proposed-updates'), (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.9-120302 (SMP w/8 CPU cores)
Locale: LANG=ru_RU.utf8, LC_CTYPE=ru_RU.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages isc-dhcp-client depends on:
ii  debianutils      4.2.1
ii  iproute          20120105-1
ii  isc-dhcp-common  4.1.1-P1-17
ii  libc6            2.13-27

isc-dhcp-client recommends no packages.

Versions of packages isc-dhcp-client suggests:
pn  avahi-autoipd  0.6.31-1
pn  resolvconf     <none>

-- no debconf information