[  835.824049][ T9412] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.929461][ T9413] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.026385][ T9414] br0: port 1(veth0) entered blocking state
[  836.027079][ T9414] br0: port 1(veth0) entered disabled state
[  836.027339][ T9414] veth0: entered allmulticast mode
[  836.028685][ T9414] veth0: entered promiscuous mode
[  836.119286][ T9415] br0: port 2(veth1) entered blocking state
[  836.119617][ T9415] br0: port 2(veth1) entered disabled state
[  836.119888][ T9415] veth1: entered allmulticast mode
[  836.121142][ T9415] veth1: entered promiscuous mode
[  836.639361][ T8600] br0: port 1(veth0) entered blocking state
[  836.639701][ T8600] br0: port 1(veth0) entered forwarding state
[  836.646904][ T8600] br0: port 2(veth1) entered blocking state
[  836.647149][ T8600] br0: port 2(veth1) entered forwarding state
[  837.760063][  T258] bond0: (slave veth1): link status definitely up
[  837.760597][  T258] bond0: (slave veth1): making interface the new active one
[  837.762066][  T258] bond0: active interface up!
[  838.162956][  T258] veth1: left allmulticast mode
[  838.163275][  T258] veth1: left promiscuous mode
[  838.163816][  T258] br0: port 2(veth1) entered disabled state
[  838.167797][  T258] veth0: left allmulticast mode
[  838.168084][  T258] veth0: left promiscuous mode
[  838.168544][  T258] br0: port 1(veth0) entered disabled state
[  838.368034][  T258] bond0: (slave veth1): Releasing backup interface
[  838.545933][  T258] bond0: (slave veth0): Releasing backup interface
[  838.934313][  T258] bond0 (unregistering): Released all slaves