[  801.579751][ T8889] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  801.656394][ T8890] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  801.750605][ T8891] br0: port 1(veth0) entered blocking state
[  801.750909][ T8891] br0: port 1(veth0) entered disabled state
[  801.751188][ T8891] veth0: entered allmulticast mode
[  801.752442][ T8891] veth0: entered promiscuous mode
[  801.852014][ T8892] br0: port 2(veth1) entered blocking state
[  801.852350][ T8892] br0: port 2(veth1) entered disabled state
[  801.852658][ T8892] veth1: entered allmulticast mode
[  801.853925][ T8892] veth1: entered promiscuous mode
[  802.319156][   T39] br0: port 1(veth0) entered blocking state
[  802.319478][   T39] br0: port 1(veth0) entered forwarding state
[  802.320904][   T39] br0: port 2(veth1) entered blocking state
[  802.321167][   T39] br0: port 2(veth1) entered forwarding state
[  803.519010][ T4721] bond0: (slave veth1): link status definitely up
[  803.519435][ T4721] bond0: (slave veth1): making interface the new active one
[  803.520402][ T4721] bond0: active interface up!
[  803.992895][ T8215] veth1: left allmulticast mode
[  803.993220][ T8215] veth1: left promiscuous mode
[  803.993567][ T8215] br0: port 2(veth1) entered disabled state
[  803.996054][ T8215] veth0: left allmulticast mode
[  803.996270][ T8215] veth0: left promiscuous mode
[  803.996712][ T8215] br0: port 1(veth0) entered disabled state
[  804.140708][ T8215] bond0: (slave veth1): Releasing backup interface
[  804.221167][ T8215] bond0: (slave veth0): Releasing backup interface
[  804.620612][ T8215] bond0 (unregistering): Released all slaves