[  515.806846] bond0: (slave eth0): making interface the new active one
[  515.806916] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.018257] bond0: (slave eth0): Releasing backup interface
[  520.092025] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.247233] bond0: (slave eth0): Releasing backup interface
[  524.283293] bond0 (unregistering): Released all slaves