[  510.964733] bond0: (slave eth0): making interface the new active one
[  510.964846] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.228288] bond0: (slave eth0): Releasing backup interface
[  515.322087] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.502064] bond0: (slave eth0): Releasing backup interface
[  519.532032] bond0 (unregistering): Released all slaves