[  520.144318] bond0: (slave eth0): making interface the new active one
[  520.144382] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.409550] bond0: (slave eth0): Releasing backup interface
[  524.636789] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.872503] bond0: (slave eth0): Releasing backup interface
[  528.903436] bond0 (unregistering): Released all slaves