[  877.210652][ T9563] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.323488][ T9564] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.416722][ T9565] br0: port 1(veth0) entered blocking state
[  877.416995][ T9565] br0: port 1(veth0) entered disabled state
[  877.417262][ T9565] veth0: entered allmulticast mode
[  877.418499][ T9565] veth0: entered promiscuous mode
[  877.496647][ T9566] br0: port 2(veth1) entered blocking state
[  877.496955][ T9566] br0: port 2(veth1) entered disabled state
[  877.497220][ T9566] veth1: entered allmulticast mode
[  877.498437][ T9566] veth1: entered promiscuous mode
[  877.948940][ T5275] br0: port 1(veth0) entered blocking state
[  877.949259][ T5275] br0: port 1(veth0) entered forwarding state
[  877.950402][ T5275] br0: port 2(veth1) entered blocking state
[  877.950666][ T5275] br0: port 2(veth1) entered forwarding state
[  879.173872][  T278] bond0: (slave veth1): link status definitely up
[  879.174238][  T278] bond0: (slave veth1): making interface the new active one
[  879.175347][  T278] bond0: active interface up!
[  879.660995][ T8751] veth1: left allmulticast mode
[  879.661264][ T8751] veth1: left promiscuous mode
[  879.661631][ T8751] br0: port 2(veth1) entered disabled state
[  879.663971][ T8751] veth0: left allmulticast mode
[  879.664191][ T8751] veth0: left promiscuous mode
[  879.664526][ T8751] br0: port 1(veth0) entered disabled state
[  879.855400][ T8751] bond0: (slave veth1): Releasing backup interface
[  880.052896][ T8751] bond0: (slave veth0): Releasing backup interface
[  880.457213][ T8751] bond0 (unregistering): Released all slaves