[  511.756906] bond0: (slave eth0): making interface the new active one
[  511.756982] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.989246] bond0: (slave eth0): Releasing backup interface
[  516.107323] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.275898] bond0: (slave eth0): Releasing backup interface
[  520.310878] bond0 (unregistering): Released all slaves