[  518.855197] bond0: (slave eth0): making interface the new active one
[  518.855283] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.102097] bond0: (slave eth0): Releasing backup interface
[  523.207721] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.389475] bond0: (slave eth0): Releasing backup interface
[  527.423971] bond0 (unregistering): Released all slaves