[  538.874985] bond0: (slave eth0): making interface the new active one
[  538.875070] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.058282] bond0: (slave eth0): Releasing backup interface
[  543.145955] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.340820] bond0: (slave eth0): Releasing backup interface
[  547.367768] bond0 (unregistering): Released all slaves