[  510.896688] bond0: (slave eth0): making interface the new active one
[  510.896778] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.097999] bond0: (slave eth0): Releasing backup interface
[  515.215052] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.383228] bond0: (slave eth0): Releasing backup interface
[  519.407169] bond0 (unregistering): Released all slaves