[  523.248419] bond0: (slave eth0): making interface the new active one
[  523.248545] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.443609] bond0: (slave eth0): Releasing backup interface
[  527.517146] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.673621] bond0: (slave eth0): Releasing backup interface
[  531.708312] bond0 (unregistering): Released all slaves