[  872.827629][ T9600] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.917416][ T9601] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.008301][ T9602] br0: port 1(veth0) entered blocking state
[  873.008574][ T9602] br0: port 1(veth0) entered disabled state
[  873.008833][ T9602] veth0: entered allmulticast mode
[  873.009996][ T9602] veth0: entered promiscuous mode
[  873.105101][ T9603] br0: port 2(veth1) entered blocking state
[  873.105379][ T9603] br0: port 2(veth1) entered disabled state
[  873.105620][ T9603] veth1: entered allmulticast mode
[  873.106800][ T9603] veth1: entered promiscuous mode
[  873.544123][  T155] br0: port 1(veth0) entered blocking state
[  873.544500][  T155] br0: port 1(veth0) entered forwarding state
[  873.546255][  T155] br0: port 2(veth1) entered blocking state
[  873.546576][  T155] br0: port 2(veth1) entered forwarding state
[  874.760592][ T4299] bond0: (slave veth1): link status definitely up
[  874.760992][ T4299] bond0: (slave veth1): making interface the new active one
[  874.762113][ T4299] bond0: active interface up!
[  875.217082][  T261] veth1: left allmulticast mode
[  875.217342][  T261] veth1: left promiscuous mode
[  875.217671][  T261] br0: port 2(veth1) entered disabled state
[  875.220041][  T261] veth0: left allmulticast mode
[  875.220293][  T261] veth0: left promiscuous mode
[  875.220605][  T261] br0: port 1(veth0) entered disabled state
[  875.397909][  T261] bond0: (slave veth1): Releasing backup interface
[  875.578719][  T261] bond0: (slave veth0): Releasing backup interface
[  875.970641][  T261] bond0 (unregistering): Released all slaves