[  516.682537] bond0: (slave eth0): making interface the new active one
[  516.682659] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.856085] bond0: (slave eth0): Releasing backup interface
[  520.927455] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.081424] bond0: (slave eth0): Releasing backup interface
[  525.109289] bond0 (unregistering): Released all slaves