[  839.990578][ T9346] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.078040][ T9347] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.180812][ T9348] br0: port 1(veth0) entered blocking state
[  840.181151][ T9348] br0: port 1(veth0) entered disabled state
[  840.181421][ T9348] veth0: entered allmulticast mode
[  840.182601][ T9348] veth0: entered promiscuous mode
[  840.288329][ T9349] br0: port 2(veth1) entered blocking state
[  840.288726][ T9349] br0: port 2(veth1) entered disabled state
[  840.289075][ T9349] veth1: entered allmulticast mode
[  840.290500][ T9349] veth1: entered promiscuous mode
[  840.662011][   T56] br0: port 1(veth0) entered blocking state
[  840.662356][   T56] br0: port 1(veth0) entered forwarding state
[  840.663402][   T56] br0: port 2(veth1) entered blocking state
[  840.663695][   T56] br0: port 2(veth1) entered forwarding state
[  841.932875][   T69] bond0: (slave veth1): link status definitely up
[  841.933349][   T69] bond0: (slave veth1): making interface the new active one
[  841.934622][   T69] bond0: active interface up!
[  842.460045][ T8700] veth1: left allmulticast mode
[  842.460276][ T8700] veth1: left promiscuous mode
[  842.460652][ T8700] br0: port 2(veth1) entered disabled state
[  842.463469][ T8700] veth0: left allmulticast mode
[  842.463734][ T8700] veth0: left promiscuous mode
[  842.464080][ T8700] br0: port 1(veth0) entered disabled state
[  842.649038][ T8700] bond0: (slave veth1): Releasing backup interface
[  842.761956][ T8700] bond0: (slave veth0): Releasing backup interface
[  843.133789][ T8700] bond0 (unregistering): Released all slaves