[  520.897731] bond0: (slave eth0): making interface the new active one
[  520.897838] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.068251] bond0: (slave eth0): Releasing backup interface
[  525.139596] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.300150] bond0: (slave eth0): Releasing backup interface
[  529.331011] bond0 (unregistering): Released all slaves