[  517.094260] bond0: (slave eth0): making interface the new active one
[  517.094370] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.302586] bond0: (slave eth0): Releasing backup interface
[  521.412346] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.591975] bond0: (slave eth0): Releasing backup interface
[  525.626898] bond0 (unregistering): Released all slaves