[  838.883888][ T9456] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.989501][ T9457] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  839.110903][ T9458] br0: port 1(veth0) entered blocking state
[  839.111179][ T9458] br0: port 1(veth0) entered disabled state
[  839.111442][ T9458] veth0: entered allmulticast mode
[  839.112585][ T9458] veth0: entered promiscuous mode
[  839.216905][ T9459] br0: port 2(veth1) entered blocking state
[  839.217222][ T9459] br0: port 2(veth1) entered disabled state
[  839.217473][ T9459] veth1: entered allmulticast mode
[  839.218736][ T9459] veth1: entered promiscuous mode
[  839.578691][   T38] br0: port 1(veth0) entered blocking state
[  839.578955][   T38] br0: port 1(veth0) entered forwarding state
[  839.579916][   T38] br0: port 2(veth1) entered blocking state
[  839.580165][   T38] br0: port 2(veth1) entered forwarding state
[  840.842600][   T66] bond0: (slave veth1): link status definitely up
[  840.842987][   T66] bond0: (slave veth1): making interface the new active one
[  840.844030][   T66] bond0: active interface up!
[  841.044220][   T66] veth1: left allmulticast mode
[  841.044518][   T66] veth1: left promiscuous mode
[  841.044957][   T66] br0: port 2(veth1) entered disabled state
[  841.048135][   T66] veth0: left allmulticast mode
[  841.048432][   T66] veth0: left promiscuous mode
[  841.048858][   T66] br0: port 1(veth0) entered disabled state
[  841.190700][   T66] bond0: (slave veth1): Releasing backup interface
[  841.377575][   T66] bond0: (slave veth0): Releasing backup interface
[  841.712830][   T66] bond0 (unregistering): Released all slaves