[  518.845638] bond0: (slave eth0): making interface the new active one
[  518.845795] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.102408] bond0: (slave eth0): Releasing backup interface
[  523.213478] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.387933] bond0: (slave eth0): Releasing backup interface
[  527.416995] bond0 (unregistering): Released all slaves