[  516.023881] bond0: (slave eth0): making interface the new active one
[  516.023954] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.265574] bond0: (slave eth0): Releasing backup interface
[  520.383770] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.553241] bond0: (slave eth0): Releasing backup interface
[  524.581216] bond0 (unregistering): Released all slaves