[  520.881382] bond0: (slave eth0): making interface the new active one
[  520.881494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.069149] bond0: (slave eth0): Releasing backup interface
[  525.136572] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.296552] bond0: (slave eth0): Releasing backup interface
[  529.324954] bond0 (unregistering): Released all slaves