[  516.905349] bond0: (slave eth0): making interface the new active one
[  516.905449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.109692] bond0: (slave eth0): Releasing backup interface
[  521.195143] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.334193] bond0: (slave eth0): Releasing backup interface
[  525.363162] bond0 (unregistering): Released all slaves