The Routing Engine remains in present state following the code upgrade to 23.4R2-S3.9.
When connecting to the failed RE via console, the session lands in the host shell instead of the Junos CLI.
root@local-node:~# cat /var/log/messages
..
2025-02-17T03:32:51.864007+01:00 labrouter-re0-node kernel: virbr0: port 2(tap1) entered disabled state
2025-02-17T03:32:51.947412+01:00 labrouter-re0-node kernel: device tap1 left promiscuous mode
2025-02-17T03:32:51.947423+01:00 labrouter-re0-node kernel: virbr0: port 2(tap1) entered disabled state
2025-02-17T03:32:52.104555+01:00 labrouter-re0-node kernel: jnpr-ctrl: port 2(tap3) entered disabled state
2025-02-17T03:32:52.156861+01:00 labrouter-re0-node kernel: device tap3 left promiscuous mode
2025-02-17T03:32:52.156875+01:00 labrouter-re0-node kernel: jnpr-ctrl: port 2(tap3) entered disabled state
2025-02-17T03:32:52.275578+01:00 labrouter-re0-node kernel: jnpr-re-re: port 2(tap2) entered disabled state
2025-02-17T03:32:52.328477+01:00 labrouter-re0-node kernel: device tap2 left promiscuous mode
2025-02-17T03:32:52.328487+01:00 labrouter-re0-node kernel: jnpr-re-re: port 2(tap2) entered disabled state
2025-02-17T03:32:52.435746+01:00 labrouter-re0-node kernel: ctrlbr0: port 1(vnet100) entered disabled state
2025-02-17T03:32:52.489274+01:00 labrouter-re0-node kernel: device vnet100 left promiscuous mode
2025-02-17T03:32:52.489285+01:00 labrouter-re0-node kernel: ctrlbr0: port 1(vnet100) entered disabled state
root@local-node:~# cat /var/log/eth_wedge_protect.eth100.log |grep wedge
Mon Feb 17 03:54:05 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=0
Mon Feb 17 03:54:20 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=1
Mon Feb 17 03:54:35 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=2
Mon Feb 17 03:54:50 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=3
Mon Feb 17 03:55:05 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=4
Mon Feb 17 03:55:20 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=5
Mon Feb 17 03:55:35 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=6
Mon Feb 17 03:55:51 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=7
Mon Feb 17 03:56:06 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=8
Mon Feb 17 03:56:21 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=9
Mon Feb 17 03:56:36 CET 2025: Possible wedge condition on rx_unicast. Will monitor. wedge_counter=10
The routing engine managed to recover after executing the command “request vmhost power-cycle-cb”