[  520.989782] bond0: (slave eth0): making interface the new active one
[  520.989853] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.188238] bond0: (slave eth0): Releasing backup interface
[  525.258855] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.417143] bond0: (slave eth0): Releasing backup interface
[  529.448987] bond0 (unregistering): Released all slaves