[  518.575117] bond0: (slave eth0): making interface the new active one
[  518.575192] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.804104] bond0: (slave eth0): Releasing backup interface
[  522.908775] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.097258] bond0: (slave eth0): Releasing backup interface
[  527.128505] bond0 (unregistering): Released all slaves