[  836.475490][T21781] bond0: (slave eth0): making interface the new active one
[  836.476024][T21781] bond0: (slave eth0): Enslaving as an active interface with an up link
[  836.524436][T21782] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.736646][T21785] bond0: (slave eth0): Releasing backup interface
[  840.901691][T21788] bond0: (slave eth0): Enslaving as an active interface with an up link
[  840.944617][T21789] 8021q: adding VLAN 0 to HW filter on device bond0
[  845.152786][   T71] bond0: (slave eth0): Releasing backup interface
[  845.196227][   T71] bond0 (unregistering): Released all slaves