[  537.207560] bond0: (slave eth0): making interface the new active one
[  537.207654] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.394507] bond0: (slave eth0): Releasing backup interface
[  541.484628] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.682874] bond0: (slave eth0): Releasing backup interface
[  545.717681] bond0 (unregistering): Released all slaves