[  819.782795][ T9336] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  819.871896][ T9337] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  819.975969][ T9338] br0: port 1(veth0) entered blocking state
[  819.976359][ T9338] br0: port 1(veth0) entered disabled state
[  819.976822][ T9338] veth0: entered allmulticast mode
[  819.978265][ T9338] veth0: entered promiscuous mode
[  820.081501][ T9339] br0: port 2(veth1) entered blocking state
[  820.081941][ T9339] br0: port 2(veth1) entered disabled state
[  820.082386][ T9339] veth1: entered allmulticast mode
[  820.084564][ T9339] veth1: entered promiscuous mode
[  820.568779][   T56] br0: port 1(veth0) entered blocking state
[  820.569110][   T56] br0: port 1(veth0) entered forwarding state
[  820.570086][   T56] br0: port 2(veth1) entered blocking state
[  820.570377][   T56] br0: port 2(veth1) entered forwarding state
[  821.688707][ T4951] bond0: (slave veth1): link status definitely up
[  821.689111][ T4951] bond0: (slave veth1): making interface the new active one
[  821.691212][ T4951] bond0: active interface up!
[  822.197221][ T4951] veth1: left allmulticast mode
[  822.197447][ T4951] veth1: left promiscuous mode
[  822.197757][ T4951] br0: port 2(veth1) entered disabled state
[  822.201724][ T4951] veth0: left allmulticast mode
[  822.202342][ T4951] veth0: left promiscuous mode
[  822.202769][ T4951] br0: port 1(veth0) entered disabled state
[  822.418037][ T4951] bond0: (slave veth1): Releasing backup interface
[  822.625120][ T4951] bond0: (slave veth0): Releasing backup interface
[  823.026992][ T4951] bond0 (unregistering): Released all slaves