[  830.365796][ T9493] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  830.484799][ T9494] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  830.583425][ T9495] br0: port 1(veth0) entered blocking state
[  830.583854][ T9495] br0: port 1(veth0) entered disabled state
[  830.584255][ T9495] veth0: entered allmulticast mode
[  830.586376][ T9495] veth0: entered promiscuous mode
[  830.694496][ T9496] br0: port 2(veth1) entered blocking state
[  830.694901][ T9496] br0: port 2(veth1) entered disabled state
[  830.695435][ T9496] veth1: entered allmulticast mode
[  830.696684][ T9496] veth1: entered promiscuous mode
[  831.024258][ T4426] br0: port 1(veth0) entered blocking state
[  831.024654][ T4426] br0: port 1(veth0) entered forwarding state
[  831.026052][ T4426] br0: port 2(veth1) entered blocking state
[  831.026307][ T4426] br0: port 2(veth1) entered forwarding state
[  832.264588][ T8639] bond0: (slave veth1): link status definitely up
[  832.264994][ T8639] bond0: (slave veth1): making interface the new active one
[  832.266059][ T8639] bond0: active interface up!
[  832.545372][ T5087] veth1: left allmulticast mode
[  832.545663][ T5087] veth1: left promiscuous mode
[  832.546197][ T5087] br0: port 2(veth1) entered disabled state
[  832.549572][ T5087] veth0: left allmulticast mode
[  832.549839][ T5087] veth0: left promiscuous mode
[  832.550269][ T5087] br0: port 1(veth0) entered disabled state
[  832.731829][ T5087] bond0: (slave veth1): Releasing backup interface
[  832.860397][ T5087] bond0: (slave veth0): Releasing backup interface
[  833.280804][ T5087] bond0 (unregistering): Released all slaves