[  876.001143][ T9573] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  876.113987][ T9574] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  876.199179][ T9575] br0: port 1(veth0) entered blocking state
[  876.199562][ T9575] br0: port 1(veth0) entered disabled state
[  876.199835][ T9575] veth0: entered allmulticast mode
[  876.202071][ T9575] veth0: entered promiscuous mode
[  876.335529][ T9576] br0: port 2(veth1) entered blocking state
[  876.335937][ T9576] br0: port 2(veth1) entered disabled state
[  876.336304][ T9576] veth1: entered allmulticast mode
[  876.337807][ T9576] veth1: entered promiscuous mode
[  876.723263][   T37] br0: port 1(veth0) entered blocking state
[  876.723541][   T37] br0: port 1(veth0) entered forwarding state
[  876.724498][   T37] br0: port 2(veth1) entered blocking state
[  876.724709][   T37] br0: port 2(veth1) entered forwarding state
[  877.970869][ T8771] bond0: (slave veth1): link status definitely up
[  877.971463][ T8771] bond0: (slave veth1): making interface the new active one
[  877.973611][ T8771] bond0: active interface up!
[  878.273656][ T5323] veth1: left allmulticast mode
[  878.273956][ T5323] veth1: left promiscuous mode
[  878.274482][ T5323] br0: port 2(veth1) entered disabled state
[  878.278370][ T5323] veth0: left allmulticast mode
[  878.278639][ T5323] veth0: left promiscuous mode
[  878.279056][ T5323] br0: port 1(veth0) entered disabled state
[  878.469009][ T5323] bond0: (slave veth1): Releasing backup interface
[  878.655603][ T5323] bond0: (slave veth0): Releasing backup interface
[  879.059020][ T5323] bond0 (unregistering): Released all slaves