[  856.272723][ T9477] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.356970][ T9478] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  856.458717][ T9479] br0: port 1(veth0) entered blocking state
[  856.459050][ T9479] br0: port 1(veth0) entered disabled state
[  856.459328][ T9479] veth0: entered allmulticast mode
[  856.460534][ T9479] veth0: entered promiscuous mode
[  856.545730][ T9480] br0: port 2(veth1) entered blocking state
[  856.546004][ T9480] br0: port 2(veth1) entered disabled state
[  856.546288][ T9480] veth1: entered allmulticast mode
[  856.547482][ T9480] veth1: entered promiscuous mode
[  857.005867][ T6267] br0: port 1(veth0) entered blocking state
[  857.006301][ T6267] br0: port 1(veth0) entered forwarding state
[  857.007752][ T6267] br0: port 2(veth1) entered blocking state
[  857.008084][ T6267] br0: port 2(veth1) entered forwarding state
[  858.229538][ T6396] bond0: (slave veth1): link status definitely up
[  858.229939][ T6396] bond0: (slave veth1): making interface the new active one
[  858.231325][ T6396] bond0: active interface up!
[  858.695543][ T9124] veth1: left allmulticast mode
[  858.695793][ T9124] veth1: left promiscuous mode
[  858.696125][ T9124] br0: port 2(veth1) entered disabled state
[  858.710871][ T9124] veth0: left allmulticast mode
[  858.711187][ T9124] veth0: left promiscuous mode
[  858.711618][ T9124] br0: port 1(veth0) entered disabled state
[  858.872489][ T9124] bond0: (slave veth1): Releasing backup interface
[  858.992528][ T9124] bond0: (slave veth0): Releasing backup interface
[  859.366066][ T9124] bond0 (unregistering): Released all slaves