[  828.558315][T21533] bond0: (slave eth0): making interface the new active one
[  828.558789][T21533] bond0: (slave eth0): Enslaving as an active interface with an up link
[  828.602344][T21534] 8021q: adding VLAN 0 to HW filter on device bond0
[  832.845054][T21537] bond0: (slave eth0): Releasing backup interface
[  832.990376][T21540] bond0: (slave eth0): Enslaving as an active interface with an up link
[  833.034704][T21541] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.199397][   T71] bond0: (slave eth0): Releasing backup interface
[  837.257204][   T71] bond0 (unregistering): Released all slaves