[  519.375674] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  519.448280] bond0: (slave bond_slave_1): Releasing backup interface
[  519.499751] bond0 (unregistering): Released all slaves
[  519.645135] 8021q: adding VLAN 0 to HW filter on device bond0
[  519.687632] bond0 (unregistering): Released all slaves
[  519.831057] 8021q: adding VLAN 0 to HW filter on device bond0
[  519.870555] bond0 (unregistering): Released all slaves
[  520.042216] bond0 (unregistering): Released all slaves
[  520.072154] 8021q: adding VLAN 0 to HW filter on device bond0
[  520.108463] bond0 (unregistering): Released all slaves