Erro tg3_stop_block timed

Bugs
1

Interface gets down and up. How to solve?

Jun 10 20:24:28 LinkNet kernel: [34101.497551] tg3 0000:07:00.0 eth1: 0x00007810: 0x00000000, 0x00000060, 0x000000fb, 0x00000000
Jun 10 20:24:28 LinkNet kernel: [34101.601648] tg3 0000:07:00.0 eth1: 0: Host status block [00000001:000000d6:(0000:00b4:0000):(00b4:000f)]
Jun 10 20:24:28 LinkNet kernel: [34101.717278] tg3 0000:07:00.0 eth1: 0: NAPI info [00000096:000000b6:(0044:000f:01ff):01f2:(00ba:0000:0000:0000)]
Jun 10 20:24:28 LinkNet kernel: [34101.946392] tg3 0000:07:00.0: tg3_stop_block timed out, ofs=1400 enable_bit=2
Jun 10 20:24:28 LinkNet kernel: [34102.135514] tg3 0000:07:00.0: tg3_stop_block timed out, ofs=c00 enable_bit=2

LSPCI

06:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)
07:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)

2

Hi
Fast one - replace broadcom cards with intel cards.
Slow one - update firmwares on cards and use supported hypervisor

3

Hello, there are physical network cards, IBM X 336 server, you know how to solve this problem