[  870.921745][ T9518] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.044254][ T9519] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.132311][ T9520] br0: port 1(veth0) entered blocking state
[  871.132571][ T9520] br0: port 1(veth0) entered disabled state
[  871.132826][ T9520] veth0: entered allmulticast mode
[  871.133988][ T9520] veth0: entered promiscuous mode
[  871.227219][ T9521] br0: port 2(veth1) entered blocking state
[  871.227589][ T9521] br0: port 2(veth1) entered disabled state
[  871.227926][ T9521] veth1: entered allmulticast mode
[  871.229177][ T9521] veth1: entered promiscuous mode
[  871.673655][ T4012] br0: port 1(veth0) entered blocking state
[  871.673953][ T4012] br0: port 1(veth0) entered forwarding state
[  871.674946][ T4012] br0: port 2(veth1) entered blocking state
[  871.675216][ T4012] br0: port 2(veth1) entered forwarding state
[  872.889520][  T277] bond0: (slave veth1): link status definitely up
[  872.889895][  T277] bond0: (slave veth1): making interface the new active one
[  872.890898][  T277] bond0: active interface up!
[  873.263794][   T11] veth1: left allmulticast mode
[  873.264120][   T11] veth1: left promiscuous mode
[  873.264584][   T11] br0: port 2(veth1) entered disabled state
[  873.268159][   T11] veth0: left allmulticast mode
[  873.268415][   T11] veth0: left promiscuous mode
[  873.268839][   T11] br0: port 1(veth0) entered disabled state
[  873.430214][   T11] bond0: (slave veth1): Releasing backup interface
[  873.603196][   T11] bond0: (slave veth0): Releasing backup interface
[  873.831039][   T11] bond0 (unregistering): Released all slaves