[  502.050553] bond0: (slave eth0): making interface the new active one
[  502.050644] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.256553] bond0: (slave eth0): Releasing backup interface
[  506.335661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.480261] bond0: (slave eth0): Releasing backup interface
[  510.506297] bond0 (unregistering): Released all slaves