[  877.245509][ T9603] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.345232][ T9604] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.458962][ T9605] br0: port 1(veth0) entered blocking state
[  877.459300][ T9605] br0: port 1(veth0) entered disabled state
[  877.459647][ T9605] veth0: entered allmulticast mode
[  877.461106][ T9605] veth0: entered promiscuous mode
[  877.548961][ T9606] br0: port 2(veth1) entered blocking state
[  877.549309][ T9606] br0: port 2(veth1) entered disabled state
[  877.549608][ T9606] veth1: entered allmulticast mode
[  877.551502][ T9606] veth1: entered promiscuous mode
[  877.986807][ T4556] br0: port 1(veth0) entered blocking state
[  877.987164][ T4556] br0: port 1(veth0) entered forwarding state
[  877.989127][ T4556] br0: port 2(veth1) entered blocking state
[  877.989386][ T4556] br0: port 2(veth1) entered forwarding state
[  879.177887][ T8307] bond0: (slave veth1): link status definitely up
[  879.178435][ T8307] bond0: (slave veth1): making interface the new active one
[  879.180052][ T8307] bond0: active interface up!
[  879.712358][ T8307] veth1: left allmulticast mode
[  879.712667][ T8307] veth1: left promiscuous mode
[  879.713113][ T8307] br0: port 2(veth1) entered disabled state
[  879.716964][ T8307] veth0: left allmulticast mode
[  879.717264][ T8307] veth0: left promiscuous mode
[  879.717748][ T8307] br0: port 1(veth0) entered disabled state
[  879.924128][ T8307] bond0: (slave veth1): Releasing backup interface
[  880.040023][ T8307] bond0: (slave veth0): Releasing backup interface
[  880.234562][ T8307] bond0 (unregistering): Released all slaves