[  513.674774] bond0: (slave eth0): making interface the new active one
[  513.674864] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.912581] bond0: (slave eth0): Releasing backup interface
[  518.008065] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.196047] bond0: (slave eth0): Releasing backup interface
[  522.220992] bond0 (unregistering): Released all slaves