[  523.524029] bond0: (slave eth0): making interface the new active one
[  523.524162] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.693490] bond0: (slave eth0): Releasing backup interface
[  527.764360] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.921316] bond0: (slave eth0): Releasing backup interface
[  531.953247] bond0 (unregistering): Released all slaves