[  506.048384] bond0: (slave eth0): making interface the new active one
[  506.048472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.301239] bond0: (slave eth0): Releasing backup interface
[  510.424201] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.649053] bond0: (slave eth0): Releasing backup interface
[  514.673896] bond0 (unregistering): Released all slaves