[  501.940306] bond0: (slave eth0): making interface the new active one
[  501.940416] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.125494] bond0: (slave eth0): Releasing backup interface
[  506.207083] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.414270] bond0: (slave eth0): Releasing backup interface
[  510.441270] bond0 (unregistering): Released all slaves