[  869.881786][ T9557] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.015290][ T9558] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.092228][ T9559] br0: port 1(veth0) entered blocking state
[  870.092568][ T9559] br0: port 1(veth0) entered disabled state
[  870.092842][ T9559] veth0: entered allmulticast mode
[  870.094096][ T9559] veth0: entered promiscuous mode
[  870.181024][ T9560] br0: port 2(veth1) entered blocking state
[  870.181292][ T9560] br0: port 2(veth1) entered disabled state
[  870.181804][ T9560] veth1: entered allmulticast mode
[  870.182991][ T9560] veth1: entered promiscuous mode
[  870.697961][   T37] br0: port 1(veth0) entered blocking state
[  870.698251][   T37] br0: port 1(veth0) entered forwarding state
[  870.699203][   T37] br0: port 2(veth1) entered blocking state
[  870.699402][   T37] br0: port 2(veth1) entered forwarding state
[  871.810085][   T11] bond0: (slave veth1): link status definitely up
[  871.810624][   T11] bond0: (slave veth1): making interface the new active one
[  871.811974][   T11] bond0: active interface up!
[  872.257341][ T4590] veth1: left allmulticast mode
[  872.257596][ T4590] veth1: left promiscuous mode
[  872.257908][ T4590] br0: port 2(veth1) entered disabled state
[  872.261021][ T4590] veth0: left allmulticast mode
[  872.261259][ T4590] veth0: left promiscuous mode
[  872.261581][ T4590] br0: port 1(veth0) entered disabled state
[  872.447887][ T4590] bond0: (slave veth1): Releasing backup interface
[  872.569870][ T4590] bond0: (slave veth0): Releasing backup interface
[  872.758617][ T4590] bond0 (unregistering): Released all slaves