[  518.989204] bond0: (slave eth0): making interface the new active one
[  518.989314] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.151939] bond0: (slave eth0): Releasing backup interface
[  523.224436] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.377575] bond0: (slave eth0): Releasing backup interface
[  527.408237] bond0 (unregistering): Released all slaves