[  842.471501][T21319] bond0: (slave eth0): making interface the new active one
[  842.472015][T21319] bond0: (slave eth0): Enslaving as an active interface with an up link
[  842.558584][T21320] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.803175][T21323] bond0: (slave eth0): Releasing backup interface
[  846.958834][T21326] bond0: (slave eth0): Enslaving as an active interface with an up link
[  847.026677][T21327] 8021q: adding VLAN 0 to HW filter on device bond0
[  851.200851][T20153] bond0: (slave eth0): Releasing backup interface
[  851.255882][T20153] bond0 (unregistering): Released all slaves