[  539.068609] bond0: (slave eth0): making interface the new active one
[  539.068686] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.247368] bond0: (slave eth0): Releasing backup interface
[  543.339660] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.531771] bond0: (slave eth0): Releasing backup interface
[  547.560773] bond0 (unregistering): Released all slaves