[  510.875586] bond0: (slave eth0): making interface the new active one
[  510.875699] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.228413] bond0: (slave eth0): Releasing backup interface
[  515.377242] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.573912] bond0: (slave eth0): Releasing backup interface
[  519.607842] bond0 (unregistering): Released all slaves