[  514.419593] bond0: (slave eth0): making interface the new active one
[  514.419695] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.620746] bond0: (slave eth0): Releasing backup interface
[  518.732349] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.901995] bond0: (slave eth0): Releasing backup interface
[  522.933934] bond0 (unregistering): Released all slaves