[  518.601692] bond0: (slave eth0): making interface the new active one
[  518.601852] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.844945] bond0: (slave eth0): Releasing backup interface
[  522.965143] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.188027] bond0: (slave eth0): Releasing backup interface
[  527.216968] bond0 (unregistering): Released all slaves