[  857.293450][T19029] bond0: (slave eth0): making interface the new active one
[  857.294038][T19029] bond0: (slave eth0): Enslaving as an active interface with an up link
[  857.339396][T19030] 8021q: adding VLAN 0 to HW filter on device bond0
[  861.612146][T19033] bond0: (slave eth0): Releasing backup interface
[  861.764959][T19036] bond0: (slave eth0): Enslaving as an active interface with an up link
[  861.811822][T19037] 8021q: adding VLAN 0 to HW filter on device bond0
[  866.035251][ T8515] bond0: (slave eth0): Releasing backup interface
[  866.101401][ T8515] bond0 (unregistering): Released all slaves