I am encountering the same behavior . avahi is struggling with dhclient
and my network interface is being reconfigured every few minutes. This
is very annoying. Not only is the network completely down while DHCP
renegotiation takes place, but the interface often gets a new address.
Thus all ssh connections freeze and must be recreated.
Oct 10 14:42:54 meerkat dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port
67 interval 3
Oct 10 14:42:54 meerkat dhclient: DHCPOFFER from 169.236.152.11
Oct 10 14:42:54 meerkat dhclient: DHCPREQUEST on eth0 to 255.255.255.255 port 67
Oct 10 14:42:54 meerkat dhclient: DHCPACK from 169.236.152.11
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Joining mDNS multicast group on
interface eth0.IPv4 with address 169.236.152.55.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: New relevant interface eth0.IPv4
for mDNS.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Registering new address record for
169.236.152.55 on eth0.IPv4.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Withdrawing address record for
169.236.152.55 on eth0.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Leaving mDNS multicast group on
interface eth0.IPv4 with address 169.236.152.55.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Interface eth0.IPv4 no longer
relevant for mDNS.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Joining mDNS multicast group on
interface eth0.IPv4 with address 169.236.152.55.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: New relevant interface eth0.IPv4
for mDNS.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Registering new address record for
169.236.152.55 on eth0.IPv4.
Oct 10 14:42:54 meerkat NetworkManager: information^IDHCP daemon state is now
2 (bound) for interface eth0
Oct 10 14:42:54 meerkat NetworkManager: information^IActivation (eth0) Stage
4 of 5 (IP Configure Get) scheduled...
Oct 10 14:42:54 meerkat NetworkManager: information^IActivation (eth0) Stage
4 of 5 (IP Configure Get) started...
Oct 10 14:42:54 meerkat dhclient: bound to 169.236.152.55 -- renewal in 265
seconds.
Oct 10 14:42:54 meerkat NetworkManager: information^IRetrieved the following
IP4 configuration from the DHCP daemon:
Oct 10 14:42:54 meerkat NetworkManager: information^I address 169.236.152.55
Oct 10 14:42:54 meerkat NetworkManager: information^I netmask 255.255.255.0
Oct 10 14:42:54 meerkat NetworkManager: information^I broadcast
169.236.152.255
Oct 10 14:42:54 meerkat NetworkManager: information^I gateway 169.236.152.1
Oct 10 14:42:54 meerkat NetworkManager: information^I nameserver
169.236.80.52
Oct 10 14:42:54 meerkat NetworkManager: information^I nameserver
169.236.10.221
Oct 10 14:42:54 meerkat NetworkManager: information^I nameserver
192.35.211.224
Oct 10 14:42:54 meerkat NetworkManager: information^I domain name
'ucmerced.edu'
Oct 10 14:42:54 meerkat NetworkManager: information^IActivation (eth0) Stage
5 of 5 (IP Configure Commit) scheduled...
Oct 10 14:42:54 meerkat NetworkManager: information^IActivation (eth0) Stage
4 of 5 (IP Configure Get) complete.
Oct 10 14:42:54 meerkat NetworkManager: information^IActivation (eth0) Stage
5 of 5 (IP Configure Commit) started...
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Withdrawing address record for
169.236.152.55 on eth0.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Leaving mDNS multicast group on
interface eth0.IPv4 with address 169.236.152.55.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Interface eth0.IPv4 no longer
relevant for mDNS.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Joining mDNS multicast group on
interface eth0.IPv4 with address 169.236.152.55.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: New relevant interface eth0.IPv4
for mDNS.
Oct 10 14:42:54 meerkat avahi-daemon[5296]: Registering new address record for
169.236.152.55 on eth0.IPv4.
Oct 10 14:42:55 meerkat NetworkManager: information^IDHCP returned name
servers but system has disabled dynamic modification!
Oct 10 14:42:55 meerkat NetworkManager: information^IActivation (eth0)
successful, device activated.
Oct 10 14:42:55 meerkat NetworkManager: information^IActivation (eth0) Finish
handler scheduled.
Oct 10 14:42:55 meerkat NetworkManager: information^IActivation (eth0) Stage
5 of 5 (IP Configure Commit) complete.
Above, we see avahi-daemon[5296]: Withdrawing address record for
169.236.152.55 on eth0 - meaning avahi-daemon is trashing my DHCP-
assigned address. Then dhclient gets the address back. Then avahi-daemon
withdraws it again. Back and forth.
At another point, avahi-daemon tried to assign address 169.254.5.160
to eth0 - I have no idea where it got that. It has nothing to do with
our network.
--
Constantly reconfiguring network interface
https://bugs.launchpad.net/bugs/122659
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