[  520.439155] bond0: (slave eth0): making interface the new active one
[  520.439237] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.635259] bond0: (slave eth0): Releasing backup interface
[  524.742869] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.922234] bond0: (slave eth0): Releasing backup interface
[  528.958023] bond0 (unregistering): Released all slaves