Comment 4 for bug 1818340

I found that the bond seems not to have come up properly:

$ sudo cat /proc/net/bonding/bond-lan
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)

Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2+3 (2)
MII Status: down
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

802.3ad info
LACP rate: fast
Min links: 0
Aggregator selection policy (ad_select): stable
System priority: 65535
System MAC address: 5e:07:b7:b3:1d:bd
bond bond-lan has no active aggregator

Slave Interface: p3p4
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 3c:fd:fe:77:32:cb
Slave queue ID: 0
Aggregator ID: N/A

Slave Interface: p3p3
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 3c:fd:fe:77:32:ca
Slave queue ID: 0
Aggregator ID: N/A