[  514.331342] bond0: (slave eth0): making interface the new active one
[  514.331448] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.544954] bond0: (slave eth0): Releasing backup interface
[  518.622507] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.767304] bond0: (slave eth0): Releasing backup interface
[  522.805302] bond0 (unregistering): Released all slaves