[  830.895619][ T9451] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  830.993592][ T9452] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  831.069321][ T9453] br0: port 1(veth0) entered blocking state
[  831.069601][ T9453] br0: port 1(veth0) entered disabled state
[  831.069856][ T9453] veth0: entered allmulticast mode
[  831.071031][ T9453] veth0: entered promiscuous mode
[  831.166677][ T9454] br0: port 2(veth1) entered blocking state
[  831.167051][ T9454] br0: port 2(veth1) entered disabled state
[  831.168011][ T9454] veth1: entered allmulticast mode
[  831.169625][ T9454] veth1: entered promiscuous mode
[  831.629213][ T8742] br0: port 1(veth0) entered blocking state
[  831.629493][ T8742] br0: port 1(veth0) entered forwarding state
[  831.630459][ T8742] br0: port 2(veth1) entered blocking state
[  831.630682][ T8742] br0: port 2(veth1) entered forwarding state
[  832.828800][   T11] bond0: (slave veth1): link status definitely up
[  832.829185][   T11] bond0: (slave veth1): making interface the new active one
[  832.830378][   T11] bond0: active interface up!
[  833.236955][   T11] veth1: left allmulticast mode
[  833.237174][   T11] veth1: left promiscuous mode
[  833.237504][   T11] br0: port 2(veth1) entered disabled state
[  833.240019][   T11] veth0: left allmulticast mode
[  833.240252][   T11] veth0: left promiscuous mode
[  833.240604][   T11] br0: port 1(veth0) entered disabled state
[  833.408017][   T11] bond0: (slave veth1): Releasing backup interface
[  833.582042][   T11] bond0: (slave veth0): Releasing backup interface
[  833.990740][   T11] bond0 (unregistering): Released all slaves