[  874.743331][ T9527] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.841799][ T9528] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.946334][ T9529] br0: port 1(veth0) entered blocking state
[  874.946740][ T9529] br0: port 1(veth0) entered disabled state
[  874.947153][ T9529] veth0: entered allmulticast mode
[  874.949257][ T9529] veth0: entered promiscuous mode
[  875.049940][ T9530] br0: port 2(veth1) entered blocking state
[  875.051333][ T9530] br0: port 2(veth1) entered disabled state
[  875.051793][ T9530] veth1: entered allmulticast mode
[  875.053062][ T9530] veth1: entered promiscuous mode
[  875.414698][   T37] br0: port 1(veth0) entered blocking state
[  875.414994][   T37] br0: port 1(veth0) entered forwarding state
[  875.416007][   T37] br0: port 2(veth1) entered blocking state
[  875.416236][   T37] br0: port 2(veth1) entered forwarding state
[  876.678981][ T8276] bond0: (slave veth1): link status definitely up
[  876.679777][ T8276] bond0: (slave veth1): making interface the new active one
[  876.681399][ T8276] bond0: active interface up!
[  876.940797][  T300] veth1: left allmulticast mode
[  876.941154][  T300] veth1: left promiscuous mode
[  876.941590][  T300] br0: port 2(veth1) entered disabled state
[  876.943784][  T300] veth0: left allmulticast mode
[  876.943992][  T300] veth0: left promiscuous mode
[  876.944349][  T300] br0: port 1(veth0) entered disabled state
[  877.144637][  T300] bond0: (slave veth1): Releasing backup interface
[  877.350865][  T300] bond0: (slave veth0): Releasing backup interface
[  877.737228][  T300] bond0 (unregistering): Released all slaves