[   43.409000][  T499] bond0: (slave veth0): Enslaving as a backup interface with a down link
[   43.522078][  T500] bond0: (slave veth1): Enslaving as a backup interface with a down link
[   43.646033][  T501] br0: port 1(veth0) entered blocking state
[   43.646452][  T501] br0: port 1(veth0) entered disabled state
[   43.646835][  T501] veth0: entered allmulticast mode
[   43.648953][  T501] veth0: entered promiscuous mode
[   43.787838][  T502] br0: port 2(veth1) entered blocking state
[   43.788256][  T502] br0: port 2(veth1) entered disabled state
[   43.788636][  T502] veth1: entered allmulticast mode
[   43.791394][  T502] veth1: entered promiscuous mode
[   44.057930][  T461] br0: port 1(veth0) entered blocking state
[   44.058712][  T461] br0: port 1(veth0) entered forwarding state
[   44.061859][  T461] br0: port 2(veth1) entered blocking state
[   44.062459][  T461] br0: port 2(veth1) entered forwarding state
[   45.348816][  T251] bond0: (slave veth1): link status definitely up
[   45.349376][  T251] bond0: (slave veth1): making interface the new active one
[   45.350854][  T251] bond0: active interface up!
[   45.622122][  T251] veth1: left allmulticast mode
[   45.622940][  T251] veth1: left promiscuous mode
[   45.623457][  T251] br0: port 2(veth1) entered disabled state
[   45.626656][  T251] veth0: left allmulticast mode
[   45.626939][  T251] veth0: left promiscuous mode
[   45.627384][  T251] br0: port 1(veth0) entered disabled state
[   45.852937][  T251] bond0: (slave veth1): Releasing backup interface
[   46.377309][  T251] bond0: (slave veth0): Releasing backup interface