[  518.536826] bond0: (slave eth0): making interface the new active one
[  518.536895] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.788977] bond0: (slave eth0): Releasing backup interface
[  522.893535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.073396] bond0: (slave eth0): Releasing backup interface
[  527.122366] bond0 (unregistering): Released all slaves