[  874.155147][ T9567] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.242529][ T9568] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.351417][ T9569] br0: port 1(veth0) entered blocking state
[  874.351762][ T9569] br0: port 1(veth0) entered disabled state
[  874.352060][ T9569] veth0: entered allmulticast mode
[  874.353753][ T9569] veth0: entered promiscuous mode
[  874.439266][ T9570] br0: port 2(veth1) entered blocking state
[  874.439878][ T9570] br0: port 2(veth1) entered disabled state
[  874.440138][ T9570] veth1: entered allmulticast mode
[  874.441358][ T9570] veth1: entered promiscuous mode
[  874.905988][   T56] br0: port 1(veth0) entered blocking state
[  874.906368][   T56] br0: port 1(veth0) entered forwarding state
[  874.907816][   T56] br0: port 2(veth1) entered blocking state
[  874.908057][   T56] br0: port 2(veth1) entered forwarding state
[  876.105884][ T4211] bond0: (slave veth1): link status definitely up
[  876.106313][ T4211] bond0: (slave veth1): making interface the new active one
[  876.107615][ T4211] bond0: active interface up!
[  876.549786][ T8385] veth1: left allmulticast mode
[  876.550022][ T8385] veth1: left promiscuous mode
[  876.550338][ T8385] br0: port 2(veth1) entered disabled state
[  876.553158][ T8385] veth0: left allmulticast mode
[  876.553463][ T8385] veth0: left promiscuous mode
[  876.553893][ T8385] br0: port 1(veth0) entered disabled state
[  876.736084][ T8385] bond0: (slave veth1): Releasing backup interface
[  876.890546][ T8385] bond0: (slave veth0): Releasing backup interface
[  877.306446][ T8385] bond0 (unregistering): Released all slaves