[  849.490375][ T9382] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  849.601353][ T9383] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.686601][ T9384] br0: port 1(veth0) entered blocking state
[  849.687005][ T9384] br0: port 1(veth0) entered disabled state
[  849.687384][ T9384] veth0: entered allmulticast mode
[  849.689235][ T9384] veth0: entered promiscuous mode
[  849.793224][ T9385] br0: port 2(veth1) entered blocking state
[  849.793639][ T9385] br0: port 2(veth1) entered disabled state
[  849.794028][ T9385] veth1: entered allmulticast mode
[  849.795637][ T9385] veth1: entered promiscuous mode
[  850.331155][  T276] br0: port 1(veth0) entered blocking state
[  850.331419][  T276] br0: port 1(veth0) entered forwarding state
[  850.332402][  T276] br0: port 2(veth1) entered blocking state
[  850.332618][  T276] br0: port 2(veth1) entered forwarding state
[  851.452038][ T8546] bond0: (slave veth1): link status definitely up
[  851.452377][ T8546] bond0: (slave veth1): making interface the new active one
[  851.453635][ T8546] bond0: active interface up!
[  851.803560][ T8546] veth1: left allmulticast mode
[  851.803758][ T8546] veth1: left promiscuous mode
[  851.804042][ T8546] br0: port 2(veth1) entered disabled state
[  851.805948][ T8546] veth0: left allmulticast mode
[  851.806347][ T8546] veth0: left promiscuous mode
[  851.806679][ T8546] br0: port 1(veth0) entered disabled state
[  851.960166][ T8546] bond0: (slave veth1): Releasing backup interface
[  852.141529][ T8546] bond0: (slave veth0): Releasing backup interface
[  852.529393][ T8546] bond0 (unregistering): Released all slaves