[  517.390019] bond0: (slave eth0): making interface the new active one
[  517.390106] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.625006] bond0: (slave eth0): Releasing backup interface
[  521.741476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.909968] bond0: (slave eth0): Releasing backup interface
[  525.934957] bond0 (unregistering): Released all slaves