[  517.107268] bond0: (slave eth0): making interface the new active one
[  517.107346] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.309344] bond0: (slave eth0): Releasing backup interface
[  521.386051] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.529468] bond0: (slave eth0): Releasing backup interface
[  525.552483] bond0 (unregistering): Released all slaves