[  516.685149] bond0: (slave eth0): making interface the new active one
[  516.685283] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.842822] bond0: (slave eth0): Releasing backup interface
[  520.905839] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.069753] bond0: (slave eth0): Releasing backup interface
[  525.104403] bond0 (unregistering): Released all slaves