[  517.093023] bond0: (slave eth0): making interface the new active one
[  517.093134] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.304040] bond0: (slave eth0): Releasing backup interface
[  521.384088] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.531167] bond0: (slave eth0): Releasing backup interface
[  525.572226] bond0 (unregistering): Released all slaves