[  501.824321] bond0: (slave eth0): making interface the new active one
[  501.824446] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.005301] bond0: (slave eth0): Releasing backup interface
[  506.075254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.230302] bond0: (slave eth0): Releasing backup interface
[  510.267357] bond0 (unregistering): Released all slaves