[  966.558685][T21907] bond0: (slave eth0): making interface the new active one
[  966.559111][T21907] bond0: (slave eth0): Enslaving as an active interface with an up link
[  966.599639][T21908] 8021q: adding VLAN 0 to HW filter on device bond0
[  970.823157][T21911] bond0: (slave eth0): Releasing backup interface
[  970.981639][T21914] bond0: (slave eth0): Enslaving as an active interface with an up link
[  971.028177][T21915] 8021q: adding VLAN 0 to HW filter on device bond0
[  975.244236][   T70] bond0: (slave eth0): Releasing backup interface
[  975.294111][   T70] bond0 (unregistering): Released all slaves