[  503.748550] bond0: (slave eth0): making interface the new active one
[  503.748618] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.912749] bond0: (slave eth0): Releasing backup interface
[  507.976633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.137685] bond0: (slave eth0): Releasing backup interface
[  512.166324] bond0 (unregistering): Released all slaves