[  539.398180] bond0: (slave eth0): making interface the new active one
[  539.398327] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.628948] bond0: (slave eth0): Releasing backup interface
[  543.721034] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.915522] bond0: (slave eth0): Releasing backup interface
[  547.938499] bond0 (unregistering): Released all slaves