[  518.954959] bond0: (slave eth0): making interface the new active one
[  518.955067] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.142816] bond0: (slave eth0): Releasing backup interface
[  523.210031] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.366944] bond0: (slave eth0): Releasing backup interface
[  527.405933] bond0 (unregistering): Released all slaves