[  520.732661] bond0: (slave eth0): making interface the new active one
[  520.732760] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.959318] bond0: (slave eth0): Releasing backup interface
[  525.063173] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.238180] bond0: (slave eth0): Releasing backup interface
[  529.286206] bond0 (unregistering): Released all slaves