[  517.091746] bond0: (slave eth0): making interface the new active one
[  517.091829] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.310429] bond0: (slave eth0): Releasing backup interface
[  521.427121] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.654143] bond0: (slave eth0): Releasing backup interface
[  525.682168] bond0 (unregistering): Released all slaves