[  524.200373] bond0: (slave eth0): making interface the new active one
[  524.200449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.396132] bond0: (slave eth0): Releasing backup interface
[  528.477557] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.624806] bond0: (slave eth0): Releasing backup interface
[  532.653739] bond0 (unregistering): Released all slaves