[  537.025818] bond0: (slave eth0): making interface the new active one
[  537.025898] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.274057] bond0: (slave eth0): Releasing backup interface
[  541.378528] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.559844] bond0: (slave eth0): Releasing backup interface
[  545.582724] bond0 (unregistering): Released all slaves