[  877.800182][ T9456] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.881137][ T9457] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.971893][ T9458] br0: port 1(veth0) entered blocking state
[  877.972208][ T9458] br0: port 1(veth0) entered disabled state
[  877.972478][ T9458] veth0: entered allmulticast mode
[  877.973757][ T9458] veth0: entered promiscuous mode
[  878.067281][ T9459] br0: port 2(veth1) entered blocking state
[  878.067564][ T9459] br0: port 2(veth1) entered disabled state
[  878.067819][ T9459] veth1: entered allmulticast mode
[  878.069051][ T9459] veth1: entered promiscuous mode
[  878.501950][ T8254] br0: port 1(veth0) entered blocking state
[  878.502355][ T8254] br0: port 1(veth0) entered forwarding state
[  878.503798][ T8254] br0: port 2(veth1) entered blocking state
[  878.504096][ T8254] br0: port 2(veth1) entered forwarding state
[  879.741543][ T8811] bond0: (slave veth1): link status definitely up
[  879.741977][ T8811] bond0: (slave veth1): making interface the new active one
[  879.743210][ T8811] bond0: active interface up!
[  880.178186][ T5659] veth1: left allmulticast mode
[  880.178503][ T5659] veth1: left promiscuous mode
[  880.178959][ T5659] br0: port 2(veth1) entered disabled state
[  880.182722][ T5659] veth0: left allmulticast mode
[  880.183037][ T5659] veth0: left promiscuous mode
[  880.183492][ T5659] br0: port 1(veth0) entered disabled state
[  880.304046][ T5659] bond0: (slave veth1): Releasing backup interface
[  880.438946][ T5659] bond0: (slave veth0): Releasing backup interface
[  880.801265][ T5659] bond0 (unregistering): Released all slaves