[  849.531483][ T9441] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  849.615857][ T9442] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.695433][ T9443] br0: port 1(veth0) entered blocking state
[  849.695752][ T9443] br0: port 1(veth0) entered disabled state
[  849.695989][ T9443] veth0: entered allmulticast mode
[  849.697449][ T9443] veth0: entered promiscuous mode
[  849.764384][ T9444] br0: port 2(veth1) entered blocking state
[  849.764663][ T9444] br0: port 2(veth1) entered disabled state
[  849.764909][ T9444] veth1: entered allmulticast mode
[  849.767367][ T9444] veth1: entered promiscuous mode
[  850.278741][   T40] br0: port 1(veth0) entered blocking state
[  850.279008][   T40] br0: port 1(veth0) entered forwarding state
[  850.279942][   T40] br0: port 2(veth1) entered blocking state
[  850.280144][   T40] br0: port 2(veth1) entered forwarding state
[  851.486703][  T262] bond0: (slave veth1): link status definitely up
[  851.487215][  T262] bond0: (slave veth1): making interface the new active one
[  851.488377][  T262] bond0: active interface up!
[  851.731413][  T262] veth1: left allmulticast mode
[  851.731643][  T262] veth1: left promiscuous mode
[  851.731965][  T262] br0: port 2(veth1) entered disabled state
[  851.740475][  T262] veth0: left allmulticast mode
[  851.740662][  T262] veth0: left promiscuous mode
[  851.740951][  T262] br0: port 1(veth0) entered disabled state
[  851.880703][  T262] bond0: (slave veth1): Releasing backup interface
[  851.994662][  T262] bond0: (slave veth0): Releasing backup interface
[  852.340219][  T262] bond0 (unregistering): Released all slaves