[  540.466440] bond0: (slave eth0): making interface the new active one
[  540.466501] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.654379] bond0: (slave eth0): Releasing backup interface
[  544.731932] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.880984] bond0: (slave eth0): Releasing backup interface
[  548.906898] bond0 (unregistering): Released all slaves