[  820.916774][ T9580] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  821.020761][ T9581] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  821.113757][ T9582] br0: port 1(veth0) entered blocking state
[  821.114056][ T9582] br0: port 1(veth0) entered disabled state
[  821.114372][ T9582] veth0: entered allmulticast mode
[  821.115623][ T9582] veth0: entered promiscuous mode
[  821.202458][ T9583] br0: port 2(veth1) entered blocking state
[  821.202763][ T9583] br0: port 2(veth1) entered disabled state
[  821.203097][ T9583] veth1: entered allmulticast mode
[  821.204382][ T9583] veth1: entered promiscuous mode
[  821.651837][  T154] br0: port 1(veth0) entered blocking state
[  821.652226][  T154] br0: port 1(veth0) entered forwarding state
[  821.664749][  T154] br0: port 2(veth1) entered blocking state
[  821.665081][  T154] br0: port 2(veth1) entered forwarding state
[  822.892357][ T4915] bond0: (slave veth1): link status definitely up
[  822.892789][ T4915] bond0: (slave veth1): making interface the new active one
[  822.894019][ T4915] bond0: active interface up!
[  823.433535][ T4915] veth1: left allmulticast mode
[  823.433770][ T4915] veth1: left promiscuous mode
[  823.434145][ T4915] br0: port 2(veth1) entered disabled state
[  823.436690][ T4915] veth0: left allmulticast mode
[  823.436977][ T4915] veth0: left promiscuous mode
[  823.437292][ T4915] br0: port 1(veth0) entered disabled state
[  823.627396][ T4915] bond0: (slave veth1): Releasing backup interface
[  823.850411][ T4915] bond0: (slave veth0): Releasing backup interface
[  824.213691][ T4915] bond0 (unregistering): Released all slaves