[  517.500799] bond0: (slave eth0): making interface the new active one
[  517.500881] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.770631] bond0: (slave eth0): Releasing backup interface
[  521.890653] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.118310] bond0: (slave eth0): Releasing backup interface
[  526.144100] bond0 (unregistering): Released all slaves