[  536.256115] bond0: (slave eth0): making interface the new active one
[  536.256184] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.430986] bond0: (slave eth0): Releasing backup interface
[  540.513681] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.719838] bond0: (slave eth0): Releasing backup interface
[  544.751739] bond0 (unregistering): Released all slaves