[  523.195188] bond0: (slave eth0): making interface the new active one
[  523.195289] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.450864] bond0: (slave eth0): Releasing backup interface
[  527.571993] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.746695] bond0: (slave eth0): Releasing backup interface
[  531.771234] bond0 (unregistering): Released all slaves