[  518.872922] bond0: (slave eth0): making interface the new active one
[  518.873018] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.133755] bond0: (slave eth0): Releasing backup interface
[  523.253494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.478365] bond0: (slave eth0): Releasing backup interface
[  527.510138] bond0 (unregistering): Released all slaves