[  518.637229] bond0: (slave eth0): making interface the new active one
[  518.637339] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.824540] bond0: (slave eth0): Releasing backup interface
[  522.884584] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.051555] bond0: (slave eth0): Releasing backup interface
[  527.077436] bond0 (unregistering): Released all slaves