[  516.854065] bond0: (slave eth0): making interface the new active one
[  516.854136] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.051394] bond0: (slave eth0): Releasing backup interface
[  521.150238] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.337056] bond0: (slave eth0): Releasing backup interface
[  525.363022] bond0 (unregistering): Released all slaves