[  524.255146] bond0: (slave eth0): making interface the new active one
[  524.255220] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.461697] bond0: (slave eth0): Releasing backup interface
[  528.533835] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.692308] bond0: (slave eth0): Releasing backup interface
[  532.719329] bond0 (unregistering): Released all slaves