[  539.586124] bond0: (slave eth0): making interface the new active one
[  539.586211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.829169] bond0: (slave eth0): Releasing backup interface
[  543.921861] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.112684] bond0: (slave eth0): Releasing backup interface
[  548.149703] bond0 (unregistering): Released all slaves