[  517.992524] bond0: (slave eth0): making interface the new active one
[  517.992603] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.206613] bond0: (slave eth0): Releasing backup interface
[  522.309748] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.498422] bond0: (slave eth0): Releasing backup interface
[  526.530299] bond0 (unregistering): Released all slaves