[  516.970694] bond0: (slave eth0): making interface the new active one
[  516.970757] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.233059] bond0: (slave eth0): Releasing backup interface
[  521.492178] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.741314] bond0: (slave eth0): Releasing backup interface
[  525.765109] bond0 (unregistering): Released all slaves