[  516.267468] bond0: (slave eth0): making interface the new active one
[  516.267570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.487258] bond0: (slave eth0): Releasing backup interface
[  520.605148] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.774975] bond0: (slave eth0): Releasing backup interface
[  524.795849] bond0 (unregistering): Released all slaves