[  501.855226] bond0: (slave eth0): making interface the new active one
[  501.855292] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.073101] bond0: (slave eth0): Releasing backup interface
[  506.159671] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.301406] bond0: (slave eth0): Releasing backup interface
[  510.336301] bond0 (unregistering): Released all slaves