- Urgent
Upgraded from rc4 to rc5 - a few hours later unraid was not available over ssh. I did hard reset and rollbacked to rc4.
I managed to pull syslog from the Graylog, see attached (let me know if something needs to be obfuscated)
Might be related to this issue(or may not 
) - https://lore.kernel.org/netdev/YfQMQWsFqCIPBBqO@boxer/T/
Docker config:
Docker custom network type: macvlan
Host access to custom networks: Enabled
Preserve user defined networks: Yes
I also use IPv6
Network Cards:
IOMMU group 16:[8086:10fb] 01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
IOMMU group 17:[8086:10fb] 01:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
In logs there are multiple call traces related to NIC driver (search for ixgbe_poll)
2022-04-28T00:58:03.000Z Tower Tower kernel: ixgbe_poll+0xd0a/0xdc4 [ixgbe]
and as a final accord - 2 OOM events
2022-04-28T01:35:18.000Z Tower Tower kernel: sleep invoked oom-killer: gfp_mask=0x1100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=0 2022-04-28T01:36:56.000Z Tower Tower kernel: unraid-api invoked oom-killer: gfp_mask=0xcd0(GFP_KERNEL|__GFP_RECLAIMABLE), order=0, oom_score_adj=0
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