[  868.958641][ T9412] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  869.057274][ T9413] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  869.144973][ T9414] br0: port 1(veth0) entered blocking state
[  869.145252][ T9414] br0: port 1(veth0) entered disabled state
[  869.145542][ T9414] veth0: entered allmulticast mode
[  869.146741][ T9414] veth0: entered promiscuous mode
[  869.261609][ T9415] br0: port 2(veth1) entered blocking state
[  869.262014][ T9415] br0: port 2(veth1) entered disabled state
[  869.262408][ T9415] veth1: entered allmulticast mode
[  869.264545][ T9415] veth1: entered promiscuous mode
[  869.686168][   T72] br0: port 1(veth0) entered blocking state
[  869.686547][   T72] br0: port 1(veth0) entered forwarding state
[  869.688054][   T72] br0: port 2(veth1) entered blocking state
[  869.688426][   T72] br0: port 2(veth1) entered forwarding state
[  870.919051][ T4561] bond0: (slave veth1): link status definitely up
[  870.919898][ T4561] bond0: (slave veth1): making interface the new active one
[  870.921423][ T4561] bond0: active interface up!
[  871.327276][ T4561] veth1: left allmulticast mode
[  871.327530][ T4561] veth1: left promiscuous mode
[  871.327992][ T4561] br0: port 2(veth1) entered disabled state
[  871.330796][ T4561] veth0: left allmulticast mode
[  871.330999][ T4561] veth0: left promiscuous mode
[  871.331298][ T4561] br0: port 1(veth0) entered disabled state
[  871.526804][ T4561] bond0: (slave veth1): Releasing backup interface
[  871.710862][ T4561] bond0: (slave veth0): Releasing backup interface
[  872.042194][ T4561] bond0 (unregistering): Released all slaves