[  517.204467] bond0: (slave eth0): making interface the new active one
[  517.204547] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.436177] bond0: (slave eth0): Releasing backup interface
[  521.539737] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.718915] bond0: (slave eth0): Releasing backup interface
[  525.740830] bond0 (unregistering): Released all slaves