[  518.662970] bond0: (slave eth0): making interface the new active one
[  518.663041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.858574] bond0: (slave eth0): Releasing backup interface
[  522.968794] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.142485] bond0: (slave eth0): Releasing backup interface
[  527.165463] bond0 (unregistering): Released all slaves