[  857.560632][ T9382] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  857.668048][ T9383] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  857.765370][ T9384] br0: port 1(veth0) entered blocking state
[  857.765648][ T9384] br0: port 1(veth0) entered disabled state
[  857.765947][ T9384] veth0: entered allmulticast mode
[  857.767227][ T9384] veth0: entered promiscuous mode
[  857.884477][ T9385] br0: port 2(veth1) entered blocking state
[  857.884864][ T9385] br0: port 2(veth1) entered disabled state
[  857.886262][ T9385] veth1: entered allmulticast mode
[  857.888252][ T9385] veth1: entered promiscuous mode
[  858.342706][   T38] br0: port 1(veth0) entered blocking state
[  858.342983][   T38] br0: port 1(veth0) entered forwarding state
[  858.344016][   T38] br0: port 2(veth1) entered blocking state
[  858.344301][   T38] br0: port 2(veth1) entered forwarding state
[  859.534602][ T8471] bond0: (slave veth1): link status definitely up
[  859.535073][ T8471] bond0: (slave veth1): making interface the new active one
[  859.536688][ T8471] bond0: active interface up!
[  860.054697][ T4638] veth1: left allmulticast mode
[  860.055008][ T4638] veth1: left promiscuous mode
[  860.055480][ T4638] br0: port 2(veth1) entered disabled state
[  860.059552][ T4638] veth0: left allmulticast mode
[  860.059839][ T4638] veth0: left promiscuous mode
[  860.060297][ T4638] br0: port 1(veth0) entered disabled state
[  860.214851][ T4638] bond0: (slave veth1): Releasing backup interface
[  860.354759][ T4638] bond0: (slave veth0): Releasing backup interface
[  860.741177][ T4638] bond0 (unregistering): Released all slaves