[  870.512188][ T9430] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.611093][ T9431] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.695742][ T9432] br0: port 1(veth0) entered blocking state
[  870.696004][ T9432] br0: port 1(veth0) entered disabled state
[  870.696260][ T9432] veth0: entered allmulticast mode
[  870.697449][ T9432] veth0: entered promiscuous mode
[  870.791166][ T9433] br0: port 2(veth1) entered blocking state
[  870.791454][ T9433] br0: port 2(veth1) entered disabled state
[  870.791703][ T9433] veth1: entered allmulticast mode
[  870.793343][ T9433] veth1: entered promiscuous mode
[  871.391894][   T37] br0: port 1(veth0) entered blocking state
[  871.392260][   T37] br0: port 1(veth0) entered forwarding state
[  871.393784][   T37] br0: port 2(veth1) entered blocking state
[  871.394095][   T37] br0: port 2(veth1) entered forwarding state
[  872.447742][ T8421] bond0: (slave veth1): link status definitely up
[  872.448340][ T8421] bond0: (slave veth1): making interface the new active one
[  872.449981][ T8421] bond0: active interface up!
[  872.816927][   T66] veth1: left allmulticast mode
[  872.817219][   T66] veth1: left promiscuous mode
[  872.817546][   T66] br0: port 2(veth1) entered disabled state
[  872.819665][   T66] veth0: left allmulticast mode
[  872.819902][   T66] veth0: left promiscuous mode
[  872.820247][   T66] br0: port 1(veth0) entered disabled state
[  872.954560][   T66] bond0: (slave veth1): Releasing backup interface
[  873.034458][   T66] bond0: (slave veth0): Releasing backup interface
[  873.442813][   T66] bond0 (unregistering): Released all slaves