[  521.182157] bond0: (slave eth0): making interface the new active one
[  521.182261] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.391796] bond0: (slave eth0): Releasing backup interface
[  525.458508] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.614078] bond0: (slave eth0): Releasing backup interface
[  529.640863] bond0 (unregistering): Released all slaves