[  859.018513][ T9517] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  859.106170][ T9518] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  859.203251][ T9519] br0: port 1(veth0) entered blocking state
[  859.203551][ T9519] br0: port 1(veth0) entered disabled state
[  859.203840][ T9519] veth0: entered allmulticast mode
[  859.205102][ T9519] veth0: entered promiscuous mode
[  859.293281][ T9520] br0: port 2(veth1) entered blocking state
[  859.293607][ T9520] br0: port 2(veth1) entered disabled state
[  859.293886][ T9520] veth1: entered allmulticast mode
[  859.295110][ T9520] veth1: entered promiscuous mode
[  859.749919][ T4181] br0: port 1(veth0) entered blocking state
[  859.750186][ T4181] br0: port 1(veth0) entered forwarding state
[  859.751245][ T4181] br0: port 2(veth1) entered blocking state
[  859.751477][ T4181] br0: port 2(veth1) entered forwarding state
[  860.998145][ T4196] bond0: (slave veth1): link status definitely up
[  860.998663][ T4196] bond0: (slave veth1): making interface the new active one
[  861.007271][ T4196] bond0: active interface up!
[  861.245002][ T4196] veth1: left allmulticast mode
[  861.245216][ T4196] veth1: left promiscuous mode
[  861.245850][ T4196] br0: port 2(veth1) entered disabled state
[  861.254792][ T4196] veth0: left allmulticast mode
[  861.255001][ T4196] veth0: left promiscuous mode
[  861.255289][ T4196] br0: port 1(veth0) entered disabled state
[  861.384166][ T4196] bond0: (slave veth1): Releasing backup interface
[  861.518845][ T4196] bond0: (slave veth0): Releasing backup interface
[  861.860509][ T4196] bond0 (unregistering): Released all slaves