[  521.071871] bond0: (slave eth0): making interface the new active one
[  521.071976] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.261396] bond0: (slave eth0): Releasing backup interface
[  525.327835] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.486243] bond0: (slave eth0): Releasing backup interface
[  529.512014] bond0 (unregistering): Released all slaves