[  515.735732] bond0: (slave eth0): making interface the new active one
[  515.735813] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.960570] bond0: (slave eth0): Releasing backup interface
[  520.061836] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.255567] bond0: (slave eth0): Releasing backup interface
[  524.296943] bond0 (unregistering): Released all slaves