[  516.876165] bond0: (slave eth0): making interface the new active one
[  516.876234] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.041703] bond0: (slave eth0): Releasing backup interface
[  521.123458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.265803] bond0: (slave eth0): Releasing backup interface
[  525.305883] bond0 (unregistering): Released all slaves