[  518.624149] bond0: (slave eth0): making interface the new active one
[  518.624234] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.840629] bond0: (slave eth0): Releasing backup interface
[  522.929818] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.125924] bond0: (slave eth0): Releasing backup interface
[  527.151915] bond0 (unregistering): Released all slaves