[  516.680505] bond0: (slave eth0): making interface the new active one
[  516.680582] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.922161] bond0: (slave eth0): Releasing backup interface
[  521.039669] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.212132] bond0: (slave eth0): Releasing backup interface
[  525.231886] bond0 (unregistering): Released all slaves