[  848.684440][ T9407] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  848.768404][ T9408] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  848.865582][ T9409] br0: port 1(veth0) entered blocking state
[  848.865944][ T9409] br0: port 1(veth0) entered disabled state
[  848.866347][ T9409] veth0: entered allmulticast mode
[  848.868143][ T9409] veth0: entered promiscuous mode
[  848.965140][ T9410] br0: port 2(veth1) entered blocking state
[  848.965470][ T9410] br0: port 2(veth1) entered disabled state
[  848.965707][ T9410] veth1: entered allmulticast mode
[  848.966924][ T9410] veth1: entered promiscuous mode
[  849.390786][   T39] br0: port 1(veth0) entered blocking state
[  849.391109][   T39] br0: port 1(veth0) entered forwarding state
[  849.392331][   T39] br0: port 2(veth1) entered blocking state
[  849.392603][   T39] br0: port 2(veth1) entered forwarding state
[  850.606731][ T6281] bond0: (slave veth1): link status definitely up
[  850.607101][ T6281] bond0: (slave veth1): making interface the new active one
[  850.608165][ T6281] bond0: active interface up!
[  851.027658][ T6281] veth1: left allmulticast mode
[  851.027964][ T6281] veth1: left promiscuous mode
[  851.028381][ T6281] br0: port 2(veth1) entered disabled state
[  851.030939][ T6281] veth0: left allmulticast mode
[  851.031147][ T6281] veth0: left promiscuous mode
[  851.031449][ T6281] br0: port 1(veth0) entered disabled state
[  851.250723][ T6281] bond0: (slave veth1): Releasing backup interface
[  851.431983][ T6281] bond0: (slave veth0): Releasing backup interface
[  851.827544][ T6281] bond0 (unregistering): Released all slaves