[  823.548518][ T9376] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  823.631704][ T9377] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  823.726962][ T9378] br0: port 1(veth0) entered blocking state
[  823.727263][ T9378] br0: port 1(veth0) entered disabled state
[  823.727894][ T9378] veth0: entered allmulticast mode
[  823.729120][ T9378] veth0: entered promiscuous mode
[  823.823532][ T9379] br0: port 2(veth1) entered blocking state
[  823.823819][ T9379] br0: port 2(veth1) entered disabled state
[  823.824083][ T9379] veth1: entered allmulticast mode
[  823.825307][ T9379] veth1: entered promiscuous mode
[  824.647093][ T9124] br0: port 1(veth0) entered blocking state
[  824.647399][ T9124] br0: port 1(veth0) entered forwarding state
[  824.648364][ T9124] br0: port 2(veth1) entered blocking state
[  824.648556][ T9124] br0: port 2(veth1) entered forwarding state
[  826.503203][ T8544] bond0: (slave veth0): link status definitely up
[  826.504181][ T8544] bond0: (slave veth1): link status definitely up
[  826.504542][ T8544] bond0: (slave veth0): making interface the new active one
[  826.506323][ T8544] bond0: active interface up!
[  826.787876][ T8544] veth1: left allmulticast mode
[  826.788123][ T8544] veth1: left promiscuous mode
[  826.788451][ T8544] br0: port 2(veth1) entered disabled state
[  826.790422][ T8544] veth0: left allmulticast mode
[  826.790624][ T8544] veth0: left promiscuous mode
[  826.790911][ T8544] br0: port 1(veth0) entered disabled state
[  826.959920][ T8544] bond0: (slave veth1): Releasing backup interface
[  827.064859][ T8544] bond0: (slave veth0): Releasing backup interface
[  827.417473][ T8544] bond0 (unregistering): Released all slaves