[  520.004857] bond0: (slave eth0): making interface the new active one
[  520.004951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.169675] bond0: (slave eth0): Releasing backup interface
[  524.228722] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.400312] bond0: (slave eth0): Releasing backup interface
[  528.435986] bond0 (unregistering): Released all slaves