[  540.014759] bond0: (slave eth0): making interface the new active one
[  540.014823] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.207612] bond0: (slave eth0): Releasing backup interface
[  544.295233] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.494645] bond0: (slave eth0): Releasing backup interface
[  548.529690] bond0 (unregistering): Released all slaves