NM bridging releted problem

Tue Feb 11 10:01:54 UTC 2014

My servers & desktops were working ok with F19 and F20 (new or
upgraded).
After the recent updates on F20 NM does not start br0 on boot.
I succeed to connect to the net after manually restarting NM.
Is it something wrong with my setup? Any advice? Is it a known bug? Do I
need to fill a bug report?
(I know I can restart NM in rc.local but ...)
I did not tested it on F19 with latest updates.

After boot/reboot:
[root at localhost ~]# route
Kernel IP routing table
Destination    Gateway   Genmask         Flags Metric Ref Use Iface
192.168.122.0  0.0.0.0   255.255.255.0   U     0      0   0   virbr0
[root at localhost ~]# ls /etc/sysconfig/network-scripts
ifcfg-br0
ifcfg-em1
ifcfg-lo
ifcfg-p3p1
...
[root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-em1
TYPE="Ethernet"
NAME="em1"
DEVICE="em1"
ONBOOT="yes"
UUID="093691ed-5ec9-4417-b7f2-8fa7d4f663fc"
HWADDR="00:25:90:87:16:72"
BRIDGE="br0"
[root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0
TYPE="Bridge"
NAME="Bridge"
DEVICE="br0"
BOOTPROTO="none"
ONBOOT="yes"
DEFROUTE="yes"
DOMAIN="central.ucv.ro"
IPADDR0="193.231.x.y"
PREFIX0="28"
GATEWAY0="193.231.x.z"
DNS1="193.231.x.w"
IPV4_FAILURE_FATAL=yes
IPV6INIT="no"
PEERNTP="yes"
STP=no
UUID=d2d68553-f97e-7549-7a26-b34a26f29318
[root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-p3p1
TYPE=Ethernet
BOOTPROTO=dhcp
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=p3p1
UUID=a6f68419-9c54-4a58-b3fb-2e424eb12d39
ONBOOT=no
HWADDR=00:25:90:87:16:73
PEERDNS=yes
PEERROUTES=yes
[root at localhost ~]# systemctl status NetworkManager.service
NetworkManager.service - Network Manager
   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service;
enabled)
   Active: active (running) since Tue 2014-02-11 10:16:15 EET; 6min ago
 Main PID: 525 (NetworkManager)
   CGroup: /system.slice/NetworkManager.service
           └─525 /usr/sbin/NetworkManager --no-daemon
Feb 11 10:16:17 localhost.localdomain NetworkManager[525]: <info>
(vnet0): link connected
Feb 11 10:16:17 localhost.localdomain NetworkManager[525]: <error>
[1392106577.228161] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
Feb 11 10:16:17 localhost.localdomain NetworkManager[525]: <error>
[1392106577.228435] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
Feb 11 10:16:17 localhost.localdomain NetworkManager[525]: <error>
[1392106577.921547] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
Feb 11 10:16:19 localhost.localdomain NetworkManager[525]: <info> (em1):
link connected
Feb 11 10:16:19 localhost.localdomain NetworkManager[525]: <info> (em1):
device state change: unavailable -> disconnected (reason
'carrier-changed') [20 30 40]
Feb 11 10:16:19 localhost.localdomain NetworkManager[525]: <info>
Auto-activating connection 'em1'.
Feb 11 10:16:19 localhost.localdomain NetworkManager[525]: <info>
Connection 'em1' auto-activation failed: (2) Master device br0 unmanaged
or not available for activation
Feb 11 10:16:21 localhost.localdomain NetworkManager[525]: <info>
startup complete
Feb 11 10:16:26 localhost.localdomain NetworkManager[525]: <error>
[1392106586.339564] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
[root at localhost ~]# systemctl restart NetworkManager.service
[root at localhost ~]# systemctl status NetworkManager.service
NetworkManager.service - Network Manager
   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service;
enabled)
   Active: active (running) since Tue 2014-02-11 10:23:11 EET; 9s ago
 Main PID: 896 (NetworkManager)
   CGroup: /system.slice/NetworkManager.service
           └─896 /usr/sbin/NetworkManager --no-daemon
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info> (br0):
attached bridge port em1
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info>
Activation (em1) connection 'em1' enslaved, continuing activation
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info>
Activation (em1) Stage 3 of 5 (IP Configure Start) complete.
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <error>
[1392106995.13071] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <error>
[1392106995.13359] [platform/nm-linux-platform.c:1252]
event_notification(): netlink cache error: Object exists
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info> (em1):
device state change: ip-config -> secondaries (reason 'none') [70 90 0]
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info> (em1):
device state change: secondaries -> activated (reason 'none') [90 100 0]
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <info>
Activation (em1) successful, device activated.
Feb 11 10:23:15 localhost.localdomain NetworkManager[896]: <warn>
Dispatcher script timed out: Script
'/etc/NetworkManager/dispatcher.d/20-chrony' timed out.
Feb 11 10:23:17 localhost.localdomain NetworkManager[896]: <info>
startup complete
[root at localhost ~]# route
Kernel IP routing table
Destination   Gateway         Genmask         Flags Metric Ref Use Iface
default       fw.central.ucv. 0.0.0.0         UG    1024   0     0 br0
192.168.122.0 0.0.0.0         255.255.255.0   U     0      0     0
virbr0
193.231.x.r   0.0.0.0         255.255.255.240 U     0      0     0 br0

C. Sava