[  836.205648][ T9432] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.296506][ T9433] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.379430][ T9434] br0: port 1(veth0) entered blocking state
[  836.379797][ T9434] br0: port 1(veth0) entered disabled state
[  836.380102][ T9434] veth0: entered allmulticast mode
[  836.381470][ T9434] veth0: entered promiscuous mode
[  836.487702][ T9435] br0: port 2(veth1) entered blocking state
[  836.487994][ T9435] br0: port 2(veth1) entered disabled state
[  836.488265][ T9435] veth1: entered allmulticast mode
[  836.489499][ T9435] veth1: entered promiscuous mode
[  836.925086][   T57] br0: port 1(veth0) entered blocking state
[  836.925379][   T57] br0: port 1(veth0) entered forwarding state
[  836.926386][   T57] br0: port 2(veth1) entered blocking state
[  836.926606][   T57] br0: port 2(veth1) entered forwarding state
[  838.160935][ T4277] bond0: (slave veth1): link status definitely up
[  838.161514][ T4277] bond0: (slave veth1): making interface the new active one
[  838.163058][ T4277] bond0: active interface up!
[  838.651525][ T4277] veth1: left allmulticast mode
[  838.651754][ T4277] veth1: left promiscuous mode
[  838.652088][ T4277] br0: port 2(veth1) entered disabled state
[  838.654514][ T4277] veth0: left allmulticast mode
[  838.654902][ T4277] veth0: left promiscuous mode
[  838.655215][ T4277] br0: port 1(veth0) entered disabled state
[  838.806855][ T4277] bond0: (slave veth1): Releasing backup interface
[  838.986903][ T4277] bond0: (slave veth0): Releasing backup interface
[  839.329310][ T4277] bond0 (unregistering): Released all slaves