[  536.365536] bond0: (slave eth0): making interface the new active one
[  536.365606] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.559479] bond0: (slave eth0): Releasing backup interface
[  540.641322] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.842883] bond0: (slave eth0): Releasing backup interface
[  544.875839] bond0 (unregistering): Released all slaves