[  506.014784] bond0: (slave eth0): making interface the new active one
[  506.014868] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.228797] bond0: (slave eth0): Releasing backup interface
[  510.331578] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.519254] bond0: (slave eth0): Releasing backup interface
[  514.555690] bond0 (unregistering): Released all slaves