[   17.107873][  T240] bond0: (slave eth0): making interface the new active one
[   17.109561][  T240] bond0: (slave eth0): Enslaving as an active interface with an up link
[   22.260012][  T245] bond0: (slave eth0): Releasing backup interface
[   23.187005][  T248] bond0: (slave eth0): Enslaving as an active interface with an up link
[   28.152514][  T241] bond0: (slave eth0): Releasing backup interface