[  836.531899][ T9440] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.642887][ T9441] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.723464][ T9442] br0: port 1(veth0) entered blocking state
[  836.723736][ T9442] br0: port 1(veth0) entered disabled state
[  836.723982][ T9442] veth0: entered allmulticast mode
[  836.725205][ T9442] veth0: entered promiscuous mode
[  836.809283][ T9443] br0: port 2(veth1) entered blocking state
[  836.809600][ T9443] br0: port 2(veth1) entered disabled state
[  836.809842][ T9443] veth1: entered allmulticast mode
[  836.811054][ T9443] veth1: entered promiscuous mode
[  837.262313][   T38] br0: port 1(veth0) entered blocking state
[  837.262746][   T38] br0: port 1(veth0) entered forwarding state
[  837.264303][   T38] br0: port 2(veth1) entered blocking state
[  837.264685][   T38] br0: port 2(veth1) entered forwarding state
[  838.534090][  T258] bond0: (slave veth1): link status definitely up
[  838.534845][  T258] bond0: (slave veth1): making interface the new active one
[  838.536737][  T258] bond0: active interface up!
[  838.868882][  T258] veth1: left allmulticast mode
[  838.869203][  T258] veth1: left promiscuous mode
[  838.869703][  T258] br0: port 2(veth1) entered disabled state
[  838.873461][  T258] veth0: left allmulticast mode
[  838.873753][  T258] veth0: left promiscuous mode
[  838.874179][  T258] br0: port 1(veth0) entered disabled state
[  839.030247][  T258] bond0: (slave veth1): Releasing backup interface
[  839.227121][  T258] bond0: (slave veth0): Releasing backup interface
[  839.599898][  T258] bond0 (unregistering): Released all slaves