[  833.539720][ T9502] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.635441][ T9503] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  833.709271][ T9504] br0: port 1(veth0) entered blocking state
[  833.709556][ T9504] br0: port 1(veth0) entered disabled state
[  833.709807][ T9504] veth0: entered allmulticast mode
[  833.710987][ T9504] veth0: entered promiscuous mode
[  833.805997][ T9505] br0: port 2(veth1) entered blocking state
[  833.806982][ T9505] br0: port 2(veth1) entered disabled state
[  833.807270][ T9505] veth1: entered allmulticast mode
[  833.808478][ T9505] veth1: entered promiscuous mode
[  834.247767][ T4387] br0: port 1(veth0) entered blocking state
[  834.248021][ T4387] br0: port 1(veth0) entered forwarding state
[  834.248986][ T4387] br0: port 2(veth1) entered blocking state
[  834.249208][ T4387] br0: port 2(veth1) entered forwarding state
[  835.510643][ T4769] bond0: (slave veth1): link status definitely up
[  835.511107][ T4769] bond0: (slave veth1): making interface the new active one
[  835.512240][ T4769] bond0: active interface up!
[  835.825500][ T4769] veth1: left allmulticast mode
[  835.825788][ T4769] veth1: left promiscuous mode
[  835.826251][ T4769] br0: port 2(veth1) entered disabled state
[  835.829385][ T4769] veth0: left allmulticast mode
[  835.829658][ T4769] veth0: left promiscuous mode
[  835.830098][ T4769] br0: port 1(veth0) entered disabled state
[  835.994663][ T4769] bond0: (slave veth1): Releasing backup interface
[  836.151472][ T4769] bond0: (slave veth0): Releasing backup interface
[  836.371138][ T4769] bond0 (unregistering): Released all slaves