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Today's Topics:
1. Interface re-enumerated at runtime (Fabio Emiliani)
----------------------------------------------------------------------
Message: 1
Date: Thu, 29 Dec 2016 12:19:59 +0100
From: Fabio Emiliani <[email protected]>
To: [email protected]
Subject: Interface re-enumerated at runtime
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Dear all,
I'm facing a strange problem regarding the re-enumeration of an ethernet
interface. Please see the following log:
> root@my_hostname:/mnt/mmclog# cat log_lte.txt | grep "daemon.info
> connmand"
> Jan 1 00:00:05 daemon.info connmand[294]: Connection Manager version
> 1.28
> Jan 1 00:00:06 daemon.info connmand[294]: Checking loopback
> interface settings
> Jan 1 00:00:06 daemon.info connmand[294]: System hostname is my_hostname
> Jan 1 00:00:06 daemon.info connmand[294]: lo {newlink} index 1
> address 00:00:00:00:00:00 mtu 65536
> Jan 1 00:00:06 daemon.info connmand[294]: lo {newlink} index 1
> operstate 0 <UNKNOWN>
> Jan 1 00:00:06 daemon.info connmand[294]: sit0 {newlink} index 2
> address 00:00:00:00:08:00 mtu 1480
> Jan 1 00:00:06 daemon.info connmand[294]: sit0 {newlink} index 2
> operstate 2 <DOWN>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {create} index 5 type
> 1 <ETHER>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {update} flags 4098
> <DOWN>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> operstate 2 <DOWN>
> Dec 24 22:34:52 daemon.info connmand[294]: *Adding interface eth0 [
> ethernet ]*
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {update} flags 102467
> <UP,RUNNING,LOWER_UP>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> operstate 0 <UNKNOWN>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {add} route ff00:: gw
> :: scope 0 <UNIVERSE>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {add} route fe80:: gw
> :: scope 0 <UNIVERSE>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {update} flags 36867 <UP>
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:34:52 daemon.info connmand[294]: eth0 {newlink} index 5
> operstate 2 <DOWN>
> Dec 24 22:34:53 daemon.info connmand[294]: *eth0 {update} flags
> 102467 <UP,RUNNING,LOWER_UP>*
> Dec 24 22:34:53 daemon.info connmand[294]: eth0 {newlink} index 5
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:34:53 daemon.info connmand[294]: eth0 {newlink} index 5
> operstate 6 <UP>
> Dec 24 22:35:02 daemon.info connmand[294]: *Setting hostname to
> my_hostname*
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {add} address
> 192.168.1.100/24 label eth0 family 2
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {add} route
> 192.168.1.0 gw 0.0.0.0 scope 253 <LINK>
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {add} route
> 192.168.1.1 gw 0.0.0.0 scope 253 <LINK>
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {add} route 0.0.0.0
> gw 192.168.1.1 scope 0 <UNIVERSE>
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {add} route
> 82.165.8.211 gw 192.168.1.1 scope 0 <UNIVERSE>
> Dec 24 22:35:02 daemon.info connmand[294]: eth0 {del} route
> 82.165.8.211 gw 192.168.1.1 scope 0 <UNIVERSE>
> Dec 24 22:38:26 daemon.info connmand[294]: *(null) {RX} 776 packets
> 148761 bytes*
> Dec 24 22:38:26 daemon.info connmand[294]: *(null) {TX} 825 packets
> 78648 bytes*
> Dec 24 22:38:26 daemon.info connmand[294]: *(null) {update} flags
> 36866 <DOWN>*
> Dec 24 22:38:26 daemon.info connmand[294]: *eth0 {newlink} index 5
> address 00:00:00:01:02:03 mtu 1500*
> Dec 24 22:38:26 daemon.info connmand[294]: *eth0 {newlink} index 5
> operstate 2 <DOWN>*
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {del} route fe80::
> gw :: scope 0 <UNIVERSE>
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {del} route ff00::
> gw :: scope 0 <UNIVERSE>
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {del} address
> 192.168.1.100/24 label eth0
> Dec 24 22:38:27 daemon.info connmand[294]: eth0 {dellink} index 5
> operstate 2 <DOWN>
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {RX} 776 packets
> 148761 bytes
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {TX} 825 packets
> 78648 bytes
> Dec 24 22:38:27 daemon.info connmand[294]: (null) {remove} index 5
> Dec 24 22:38:27 daemon.info connmand[294]: *Remove interface (null) [
> ethernet ]*
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {create} index 6 type
> 1 <ETHER>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {update} flags 4098
> <DOWN>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> operstate 2 <DOWN>
> Dec 24 22:39:12 daemon.info connmand[294]: *Adding interface eth0 [
> ethernet ]*
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {update} flags 102467
> <UP,RUNNING,LOWER_UP>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> operstate 0 <UNKNOWN>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {add} route ff00:: gw
> :: scope 0 <UNIVERSE>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {add} route fe80:: gw
> :: scope 0 <UNIVERSE>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {update} flags 36867 <UP>
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:39:12 daemon.info connmand[294]: eth0 {newlink} index 6
> operstate 2 <DOWN>
> Dec 24 22:39:14 daemon.info connmand[294]: eth0 {update} flags 102467
> <UP,RUNNING,LOWER_UP>
> Dec 24 22:39:14 daemon.info connmand[294]: eth0 {newlink} index 6
> address 00:00:00:01:02:03 mtu 1500
> Dec 24 22:39:14 daemon.info connmand[294]: eth0 {newlink} index 6
> operstate 6 <UP>
> Dec 24 22:39:22 daemon.info connmand[294]: Setting hostname to
> my_hostname
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {add} address
> 192.168.1.100/24 label eth0 family 2
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {add} route
> 192.168.1.0 gw 0.0.0.0 scope 253 <LINK>
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {add} route
> 192.168.1.1 gw 0.0.0.0 scope 253 <LINK>
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {add} route 0.0.0.0
> gw 192.168.1.1 scope 0 <UNIVERSE>
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {add} route
> 82.165.8.211 gw 192.168.1.1 scope 0 <UNIVERSE>
> Dec 24 22:39:22 daemon.info connmand[294]: eth0 {del} route
> 82.165.8.211 gw 192.168.1.1 scope 0 <UNIVERSE>
Until 22:35:02 everything goes fine, eth0 interface is up and running.
After three minutes, at 22:38:26 I see some strange logs. What does
(null) mean? Why the interface is removed and then added again? What can
be the cause of the problem?
Thanks in advance for your time
Regards,
Fabio Emiliani
--
*Fabio Emiliani*
*/Software Engineer/*
/Ph. +39 075 8298 532/
/[email protected]/ <mailto:[email protected]>
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