[  869.878301][ T9526] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  869.969630][ T9527] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.064046][ T9528] br0: port 1(veth0) entered blocking state
[  870.064414][ T9528] br0: port 1(veth0) entered disabled state
[  870.064762][ T9528] veth0: entered allmulticast mode
[  870.066280][ T9528] veth0: entered promiscuous mode
[  870.167614][ T9529] br0: port 2(veth1) entered blocking state
[  870.167964][ T9529] br0: port 2(veth1) entered disabled state
[  870.168294][ T9529] veth1: entered allmulticast mode
[  870.169599][ T9529] veth1: entered promiscuous mode
[  870.588074][   T56] br0: port 1(veth0) entered blocking state
[  870.588514][   T56] br0: port 1(veth0) entered forwarding state
[  870.591143][   T56] br0: port 2(veth1) entered blocking state
[  870.591407][   T56] br0: port 2(veth1) entered forwarding state
[  871.835960][ T8738] bond0: (slave veth1): link status definitely up
[  871.836504][ T8738] bond0: (slave veth1): making interface the new active one
[  871.837723][ T8738] bond0: active interface up!
[  872.283950][ T8738] veth1: left allmulticast mode
[  872.284232][ T8738] veth1: left promiscuous mode
[  872.284566][ T8738] br0: port 2(veth1) entered disabled state
[  872.286772][ T8738] veth0: left allmulticast mode
[  872.286996][ T8738] veth0: left promiscuous mode
[  872.287544][ T8738] br0: port 1(veth0) entered disabled state
[  872.464809][ T8738] bond0: (slave veth1): Releasing backup interface
[  872.608669][ T8738] bond0: (slave veth0): Releasing backup interface
[  872.978223][ T8738] bond0 (unregistering): Released all slaves