[  521.164194] bond0: (slave eth0): making interface the new active one
[  521.164321] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.326411] bond0: (slave eth0): Releasing backup interface
[  525.404741] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.554040] bond0: (slave eth0): Releasing backup interface
[  529.585993] bond0 (unregistering): Released all slaves