[  538.683419] bond0: (slave eth0): making interface the new active one
[  538.683509] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.860323] bond0: (slave eth0): Releasing backup interface
[  542.948265] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.147694] bond0: (slave eth0): Releasing backup interface
[  547.188661] bond0 (unregistering): Released all slaves