[  510.461310] bond0: (slave eth0): making interface the new active one
[  510.461396] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.640741] bond0: (slave eth0): Releasing backup interface
[  514.723522] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.867342] bond0: (slave eth0): Releasing backup interface
[  518.891330] bond0 (unregistering): Released all slaves