[  819.796929][ T8955] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  819.878592][ T8956] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  819.962510][ T8957] br0: port 1(veth0) entered blocking state
[  819.962809][ T8957] br0: port 1(veth0) entered disabled state
[  819.963102][ T8957] veth0: entered allmulticast mode
[  819.964307][ T8957] veth0: entered promiscuous mode
[  820.059879][ T8958] br0: port 2(veth1) entered blocking state
[  820.060153][ T8958] br0: port 2(veth1) entered disabled state
[  820.060410][ T8958] veth1: entered allmulticast mode
[  820.061608][ T8958] veth1: entered promiscuous mode
[  820.540099][ T4626] br0: port 1(veth0) entered blocking state
[  820.540454][ T4626] br0: port 1(veth0) entered forwarding state
[  820.541476][ T4626] br0: port 2(veth1) entered blocking state
[  820.541687][ T4626] br0: port 2(veth1) entered forwarding state
[  821.741823][ T8349] bond0: (slave veth1): link status definitely up
[  821.742284][ T8349] bond0: (slave veth1): making interface the new active one
[  821.743525][ T8349] bond0: active interface up!
[  822.123787][   T11] veth1: left allmulticast mode
[  822.123985][   T11] veth1: left promiscuous mode
[  822.124268][   T11] br0: port 2(veth1) entered disabled state
[  822.126529][   T11] veth0: left allmulticast mode
[  822.126742][   T11] veth0: left promiscuous mode
[  822.127138][   T11] br0: port 1(veth0) entered disabled state
[  822.288178][   T11] bond0: (slave veth1): Releasing backup interface
[  822.442857][   T11] bond0: (slave veth0): Releasing backup interface
[  822.832575][   T11] bond0 (unregistering): Released all slaves