dmesg + why somethings link is up and link is down from dmesg

from the dmesg we get something interesting

some time we see

 [   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

and sometimes we see

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

  [   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready



c

[    9.718977] XFS (dm-2): Ending recovery (logdev: internal)

[    9.817914] systemd-journald[768]: Received request to flush runtime journal from PID 1

[   10.040875] type=1305 audit(1548315015.555:3): audit_pid=1129 old=0 auid=4294967295 ses=4294967295 res=1

[   41.072770] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   41.236669] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   41.873618] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   42.022891] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   42.124346] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   42.187499] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   42.769593] team0: Mode changed to "activebackup"

[   42.809801] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   43.453234] ixgbe 0000:0b:00.0: removed PHC on eth2f0

[   43.702828] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   43.803821] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   43.804588] team0: Port device eth2f0 added

[   43.868346] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   44.486522] ixgbe 0000:0b:00.1: removed PHC on eth2f1

[   44.488389] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   44.566338] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   44.722799] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   44.823782] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   44.824903] team0: Port device eth2f1 added

[   44.863922] ixgbe 0000:0b:00.0 eth2f0: changing MTU from 1500 to 9000

[   44.896265] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.187139] ixgbe 0000:0b:00.1 eth2f1: changing MTU from 1500 to 9000

[   45.249344] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   45.530790] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready

[   45.568059] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.869748] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   45.870340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready

[   46.188516] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   46.188744] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   47.128972] IPv6: team0: IPv6 duplicate address fe80::4adf:37ff:fe30:d754 detected!

why we see this behavior ?

is it normal?

asked Mar 5 at 10:30

yael

2,78632878

add a comment |

from the dmesg we get something interesting

some time we see

 [   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

and sometimes we see

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

  [   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready



c

[    9.718977] XFS (dm-2): Ending recovery (logdev: internal)

[    9.817914] systemd-journald[768]: Received request to flush runtime journal from PID 1

[   10.040875] type=1305 audit(1548315015.555:3): audit_pid=1129 old=0 auid=4294967295 ses=4294967295 res=1

[   41.072770] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   41.236669] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   41.873618] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   42.022891] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   42.124346] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   42.187499] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   42.769593] team0: Mode changed to "activebackup"

[   42.809801] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   43.453234] ixgbe 0000:0b:00.0: removed PHC on eth2f0

[   43.702828] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   43.803821] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   43.804588] team0: Port device eth2f0 added

[   43.868346] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   44.486522] ixgbe 0000:0b:00.1: removed PHC on eth2f1

[   44.488389] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   44.566338] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   44.722799] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   44.823782] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   44.824903] team0: Port device eth2f1 added

[   44.863922] ixgbe 0000:0b:00.0 eth2f0: changing MTU from 1500 to 9000

[   44.896265] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.187139] ixgbe 0000:0b:00.1 eth2f1: changing MTU from 1500 to 9000

[   45.249344] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   45.530790] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready

[   45.568059] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.869748] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   45.870340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready

[   46.188516] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   46.188744] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   47.128972] IPv6: team0: IPv6 duplicate address fe80::4adf:37ff:fe30:d754 detected!

why we see this behavior ?

is it normal?

asked Mar 5 at 10:30

yael

2,78632878

add a comment |

from the dmesg we get something interesting

some time we see

 [   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

and sometimes we see

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

  [   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready



c

[    9.718977] XFS (dm-2): Ending recovery (logdev: internal)

[    9.817914] systemd-journald[768]: Received request to flush runtime journal from PID 1

[   10.040875] type=1305 audit(1548315015.555:3): audit_pid=1129 old=0 auid=4294967295 ses=4294967295 res=1

[   41.072770] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   41.236669] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   41.873618] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   42.022891] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   42.124346] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   42.187499] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   42.769593] team0: Mode changed to "activebackup"

[   42.809801] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   43.453234] ixgbe 0000:0b:00.0: removed PHC on eth2f0

[   43.702828] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   43.803821] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   43.804588] team0: Port device eth2f0 added

[   43.868346] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   44.486522] ixgbe 0000:0b:00.1: removed PHC on eth2f1

[   44.488389] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   44.566338] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   44.722799] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   44.823782] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   44.824903] team0: Port device eth2f1 added

[   44.863922] ixgbe 0000:0b:00.0 eth2f0: changing MTU from 1500 to 9000

[   44.896265] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.187139] ixgbe 0000:0b:00.1 eth2f1: changing MTU from 1500 to 9000

[   45.249344] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   45.530790] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready

[   45.568059] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.869748] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   45.870340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready

[   46.188516] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   46.188744] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   47.128972] IPv6: team0: IPv6 duplicate address fe80::4adf:37ff:fe30:d754 detected!

why we see this behavior ?

is it normal?

asked Mar 5 at 10:30

yael

2,78632878

from the dmesg we get something interesting

some time we see

 [   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

and sometimes we see

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

  [   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready



c

[    9.718977] XFS (dm-2): Ending recovery (logdev: internal)

[    9.817914] systemd-journald[768]: Received request to flush runtime journal from PID 1

[   10.040875] type=1305 audit(1548315015.555:3): audit_pid=1129 old=0 auid=4294967295 ses=4294967295 res=1

[   41.072770] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   41.174357] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   41.236669] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   41.873618] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   41.874332] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   42.022891] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   42.124346] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   42.187499] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   42.769593] team0: Mode changed to "activebackup"

[   42.809801] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   42.810042] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   43.453234] ixgbe 0000:0b:00.0: removed PHC on eth2f0

[   43.702828] ixgbe 0000:0b:00.0: registered PHC device on eth2f0

[   43.803821] IPv6: ADDRCONF(NETDEV_UP): eth2f0: link is not ready

[   43.804588] team0: Port device eth2f0 added

[   43.868346] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   44.486522] ixgbe 0000:0b:00.1: removed PHC on eth2f1

[   44.488389] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   44.566338] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f0: link becomes ready

[   44.722799] ixgbe 0000:0b:00.1: registered PHC device on eth2f1

[   44.823782] IPv6: ADDRCONF(NETDEV_UP): eth2f1: link is not ready

[   44.824903] team0: Port device eth2f1 added

[   44.863922] ixgbe 0000:0b:00.0 eth2f0: changing MTU from 1500 to 9000

[   44.896265] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.187139] ixgbe 0000:0b:00.1 eth2f1: changing MTU from 1500 to 9000

[   45.249344] ixgbe 0000:0b:00.0 eth2f0: detected SFP+: 6

[   45.530790] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready

[   45.568059] ixgbe 0000:0b:00.1 eth2f1: detected SFP+: 5

[   45.869748] ixgbe 0000:0b:00.0 eth2f0: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   45.870340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready

[   46.188516] ixgbe 0000:0b:00.1 eth2f1: NIC Link is Up 10 Gbps, Flow Control: RX/TX

[   46.188744] IPv6: ADDRCONF(NETDEV_CHANGE): eth2f1: link becomes ready

[   47.128972] IPv6: team0: IPv6 duplicate address fe80::4adf:37ff:fe30:d754 detected!

why we see this behavior ?

is it normal?

linux networking rhel dmesg

asked Mar 5 at 10:30

yael

2,78632878

asked Mar 5 at 10:30

yael

2,78632878

asked Mar 5 at 10:30

yael

2,78632878

asked Mar 5 at 10:30

yael

2,78632878

asked Mar 5 at 10:30

yael

2,78632878

add a comment |

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