[  853.261790][ T9407] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  853.360605][ T9408] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  853.444429][ T9409] br0: port 1(veth0) entered blocking state
[  853.444795][ T9409] br0: port 1(veth0) entered disabled state
[  853.445072][ T9409] veth0: entered allmulticast mode
[  853.446300][ T9409] veth0: entered promiscuous mode
[  853.538569][ T9410] br0: port 2(veth1) entered blocking state
[  853.538837][ T9410] br0: port 2(veth1) entered disabled state
[  853.539087][ T9410] veth1: entered allmulticast mode
[  853.540294][ T9410] veth1: entered promiscuous mode
[  854.028627][ T4718] br0: port 1(veth0) entered blocking state
[  854.029018][ T4718] br0: port 1(veth0) entered forwarding state
[  854.030935][ T4718] br0: port 2(veth1) entered blocking state
[  854.031323][ T4718] br0: port 2(veth1) entered forwarding state
[  855.242901][ T8865] bond0: (slave veth1): link status definitely up
[  855.243510][ T8865] bond0: (slave veth1): making interface the new active one
[  855.245068][ T8865] bond0: active interface up!
[  855.707220][ T8865] veth1: left allmulticast mode
[  855.707466][ T8865] veth1: left promiscuous mode
[  855.707811][ T8865] br0: port 2(veth1) entered disabled state
[  855.710485][ T8865] veth0: left allmulticast mode
[  855.710683][ T8865] veth0: left promiscuous mode
[  855.710969][ T8865] br0: port 1(veth0) entered disabled state
[  855.866074][ T8865] bond0: (slave veth1): Releasing backup interface
[  856.056823][ T8865] bond0: (slave veth0): Releasing backup interface
[  856.419453][ T8865] bond0 (unregistering): Released all slaves