[  521.472732] bond0: (slave eth0): making interface the new active one
[  521.472856] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.675852] bond0: (slave eth0): Releasing backup interface
[  525.747417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.901387] bond0: (slave eth0): Releasing backup interface
[  529.938845] bond0 (unregistering): Released all slaves