[  523.351091] bond0: (slave eth0): making interface the new active one
[  523.351178] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.503140] bond0: (slave eth0): Releasing backup interface
[  527.583406] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.733854] bond0: (slave eth0): Releasing backup interface
[  531.780188] bond0 (unregistering): Released all slaves