[  506.765726] bond0: (slave eth0): making interface the new active one
[  506.765837] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.936803] bond0: (slave eth0): Releasing backup interface
[  511.012490] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.166310] bond0: (slave eth0): Releasing backup interface
[  515.195281] bond0 (unregistering): Released all slaves