[  505.890989] bond0: (slave eth0): making interface the new active one
[  505.891067] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.098404] bond0: (slave eth0): Releasing backup interface
[  510.165222] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.328832] bond0: (slave eth0): Releasing backup interface
[  514.365298] bond0 (unregistering): Released all slaves