[  516.115758] bond0: (slave eth0): making interface the new active one
[  516.115837] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.345167] bond0: (slave eth0): Releasing backup interface
[  520.445184] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.637124] bond0: (slave eth0): Releasing backup interface
[  524.673946] bond0 (unregistering): Released all slaves