[  524.485464] bond0: (slave eth0): making interface the new active one
[  524.485538] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.658008] bond0: (slave eth0): Releasing backup interface
[  528.743305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.884452] bond0: (slave eth0): Releasing backup interface
[  532.922463] bond0 (unregistering): Released all slaves