[  520.989183] bond0: (slave eth0): making interface the new active one
[  520.989298] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.140702] bond0: (slave eth0): Releasing backup interface
[  525.226561] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.435260] bond0: (slave eth0): Releasing backup interface
[  529.471191] bond0 (unregistering): Released all slaves