[  516.619688] bond0: (slave eth0): making interface the new active one
[  516.619760] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.870729] bond0: (slave eth0): Releasing backup interface
[  520.995864] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.207123] bond0: (slave eth0): Releasing backup interface
[  525.250061] bond0 (unregistering): Released all slaves