[  524.353705] bond0: (slave eth0): making interface the new active one
[  524.353801] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.530350] bond0: (slave eth0): Releasing backup interface
[  528.624092] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.815827] bond0: (slave eth0): Releasing backup interface
[  532.841764] bond0 (unregistering): Released all slaves