[  540.176091] bond0: (slave eth0): making interface the new active one
[  540.176173] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.402094] bond0: (slave eth0): Releasing backup interface
[  544.495100] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.687729] bond0: (slave eth0): Releasing backup interface
[  548.714728] bond0 (unregistering): Released all slaves