[  849.916379][T19433] bond0: (slave eth0): making interface the new active one
[  849.916890][T19433] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.956208][T19434] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.192246][T19437] bond0: (slave eth0): Releasing backup interface
[  854.336997][T19440] bond0: (slave eth0): Enslaving as an active interface with an up link
[  854.379403][T19441] 8021q: adding VLAN 0 to HW filter on device bond0
[  858.561568][   T74] bond0: (slave eth0): Releasing backup interface
[  858.615607][   T74] bond0 (unregistering): Released all slaves