[  835.215490][ T9398] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.319565][ T9399] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.418264][ T9400] br0: port 1(veth0) entered blocking state
[  835.418597][ T9400] br0: port 1(veth0) entered disabled state
[  835.418898][ T9400] veth0: entered allmulticast mode
[  835.420129][ T9400] veth0: entered promiscuous mode
[  835.514157][ T9401] br0: port 2(veth1) entered blocking state
[  835.514402][ T9401] br0: port 2(veth1) entered disabled state
[  835.514631][ T9401] veth1: entered allmulticast mode
[  835.515950][ T9401] veth1: entered promiscuous mode
[  835.995789][ T4625] br0: port 1(veth0) entered blocking state
[  835.996110][ T4625] br0: port 1(veth0) entered forwarding state
[  835.997020][ T4625] br0: port 2(veth1) entered blocking state
[  835.997229][ T4625] br0: port 2(veth1) entered forwarding state
[  837.187691][ T4640] bond0: (slave veth1): link status definitely up
[  837.188177][ T4640] bond0: (slave veth1): making interface the new active one
[  837.189271][ T4640] bond0: active interface up!
[  837.532046][ T8519] veth1: left allmulticast mode
[  837.532290][ T8519] veth1: left promiscuous mode
[  837.532668][ T8519] br0: port 2(veth1) entered disabled state
[  837.534879][ T8519] veth0: left allmulticast mode
[  837.535094][ T8519] veth0: left promiscuous mode
[  837.535429][ T8519] br0: port 1(veth0) entered disabled state
[  837.666578][ T8519] bond0: (slave veth1): Releasing backup interface
[  837.798563][ T8519] bond0: (slave veth0): Releasing backup interface
[  838.159109][ T8519] bond0 (unregistering): Released all slaves