I have this deployed on a R730, and has been stable for over 2 years. But recently I find that everything becomes unresponsive and weird, and docker containers will show up but will not load or is unresponsive. I found that this time I was able to see a kernel panic in the log. This has been happening every 3ish days for a couples weeks now. Seems that it could be network releated but I figured I'd see if I could get soms support from the community.
Feb 4 01:24:02 dot kernel: Call Trace:
Feb 4 01:24:02 dot kernel: <IRQ>
Feb 4 01:24:02 dot kernel: nf_conntrack_confirm+0x25/0x54 [nf_conntrack]
Feb 4 01:24:02 dot kernel: nf_hook_slow+0x3d/0x96
Feb 4 01:24:02 dot kernel: ? ip_protocol_deliver_rcu+0x164/0x164
Feb 4 01:24:02 dot kernel: NF_HOOK.constprop.0+0x79/0xd9
Feb 4 01:24:02 dot kernel: ? ip_protocol_deliver_rcu+0x164/0x164
Feb 4 01:24:02 dot kernel: ip_sabotage_in+0x4a/0x58 [br_netfilter]
Feb 4 01:24:02 dot kernel: nf_hook_slow+0x3d/0x96
Feb 4 01:24:02 dot kernel: ? ip_rcv_finish_core.constprop.0+0x3b7/0x3b7
Feb 4 01:24:02 dot kernel: NF_HOOK.constprop.0+0x79/0xd9
Feb 4 01:24:02 dot kernel: ? ip_rcv_finish_core.constprop.0+0x3b7/0x3b7
Feb 4 01:24:02 dot kernel: __netif_receive_skb_one_core+0x77/0x9c
Feb 4 01:24:02 dot kernel: process_backlog+0x8c/0x116
Feb 4 01:24:02 dot kernel: __napi_poll.constprop.0+0x2b/0x124
Feb 4 01:24:02 dot kernel: net_rx_action+0x159/0x24f
Feb 4 01:24:02 dot kernel: __do_softirq+0x129/0x288
Feb 4 01:24:02 dot kernel: do_softirq+0x7f/0xab
Feb 4 01:24:02 dot kernel: </IRQ>
Feb 4 01:24:02 dot kernel: <TASK>
Feb 4 01:24:02 dot kernel: __local_bh_enable_ip+0x4c/0x6b
Feb 4 01:24:02 dot kernel: netif_rx+0x52/0x5a
Feb 4 01:24:02 dot kernel: macvlan_broadcast+0x10a/0x150 [macvlan]
Feb 4 01:24:02 dot kernel: macvlan_process_broadcast+0xbc/0x12f [macvlan]
Feb 4 01:24:02 dot kernel: process_one_work+0x1ab/0x295
Feb 4 01:24:02 dot kernel: worker_thread+0x18b/0x244
Feb 4 01:24:02 dot kernel: ? rescuer_thread+0x281/0x281
Feb 4 01:24:02 dot kernel: kthread+0xe7/0xef
Feb 4 01:24:02 dot kernel: ? kthread_complete_and_exit+0x1b/0x1b
Feb 4 01:24:02 dot kernel: ret_from_fork+0x22/0x30
Feb 4 01:24:02 dot kernel: </TASK>
Feb 4 01:24:02 dot kernel: ---[ end trace 0000000000000000 ]---