[  520.175135] bond0: (slave eth0): making interface the new active one
[  520.175217] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.358337] bond0: (slave eth0): Releasing backup interface
[  524.439840] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.590802] bond0: (slave eth0): Releasing backup interface
[  528.633919] bond0 (unregistering): Released all slaves