[  827.117859][ T9250] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  827.209301][ T9251] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  827.311436][ T9252] br0: port 1(veth0) entered blocking state
[  827.311783][ T9252] br0: port 1(veth0) entered disabled state
[  827.312086][ T9252] veth0: entered allmulticast mode
[  827.313345][ T9252] veth0: entered promiscuous mode
[  827.423636][ T9253] br0: port 2(veth1) entered blocking state
[  827.424017][ T9253] br0: port 2(veth1) entered disabled state
[  827.424329][ T9253] veth1: entered allmulticast mode
[  827.425542][ T9253] veth1: entered promiscuous mode
[  827.839363][   T39] br0: port 1(veth0) entered blocking state
[  827.839733][   T39] br0: port 1(veth0) entered forwarding state
[  827.840775][   T39] br0: port 2(veth1) entered blocking state
[  827.841026][   T39] br0: port 2(veth1) entered forwarding state
[  829.064672][ T4662] bond0: (slave veth1): link status definitely up
[  829.065043][ T4662] bond0: (slave veth1): making interface the new active one
[  829.066167][ T4662] bond0: active interface up!
[  829.577585][ T8506] veth1: left allmulticast mode
[  829.577918][ T8506] veth1: left promiscuous mode
[  829.578407][ T8506] br0: port 2(veth1) entered disabled state
[  829.581498][ T8506] veth0: left allmulticast mode
[  829.581836][ T8506] veth0: left promiscuous mode
[  829.582305][ T8506] br0: port 1(veth0) entered disabled state
[  829.734041][ T8506] bond0: (slave veth1): Releasing backup interface
[  829.830861][ T8506] bond0: (slave veth0): Releasing backup interface
[  830.229748][ T8506] bond0 (unregistering): Released all slaves