all nodes auto reboot after add one node to cluster(proxmox6.1)

[sanshi_xt]

I have 4 nodes in proxmox 6.1 . after add a new node to cluster via web gui. 4 nodes auto reboot.
the cluster is OK after auto reboot. but i want to find the reason of reboot. please help me,thanks!

root@lk2001d-p009001:~# pveversion -v
proxmox-ve: 6.1-2 (running kernel: 5.3.10-1-pve)
pve-manager: 6.1-3 (running version: 6.1-3/37248ce6)
pve-kernel-5.3: 6.0-12
pve-kernel-helper: 6.0-12
pve-kernel-5.3.10-1-pve: 5.3.10-1
ceph: 14.2.8-pve1
ceph-fuse: 14.2.8-pve1
corosync: 3.0.2-pve4
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10
libknet1: 1.13-pve1
libpve-access-control: 6.0-5
libpve-apiclient-perl: 3.0-2
libpve-common-perl: 6.0-9
libpve-guest-common-perl: 3.0-3
libpve-http-server-perl: 3.0-3
libpve-storage-perl: 6.1-2
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve3
lxc-pve: 3.2.1-1
lxcfs: 3.0.3-pve60
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.1-1
pve-cluster: 6.1-2
pve-container: 3.0-14
pve-docs: 6.1-3
pve-edk2-firmware: 2.20191002-1
pve-firewall: 4.0-9
pve-firmware: 3.0-4
pve-ha-manager: 3.0-8
pve-i18n: 2.0-3
pve-qemu-kvm: 4.1.1-2
pve-xtermjs: 3.13.2-1
qemu-server: 6.1-2
smartmontools: 7.0-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.2-pve2

root@lk2001d-p009001:~# cat /etc/pve/corosync.conf
logging {
  debug: off
  to_syslog: yes
}

nodelist {
  node {
    name: lk1707d-p009005
    nodeid: 5
    quorum_votes: 1
    ring0_addr: 10.216.9.5
    ring1_addr: 192.168.9.5
  }
  node {
    name: lk1804d-p009003
    nodeid: 3
    quorum_votes: 1
    ring0_addr: 10.216.9.3
    ring1_addr: 192.168.9.3
  }
  node {
    name: lk1804d-p009004
    nodeid: 4
    quorum_votes: 1
    ring0_addr: 10.216.9.4
    ring1_addr: 192.168.9.4
  }
  node {
    name: lk2001d-p009001
    nodeid: 1
    quorum_votes: 1
    ring0_addr: 10.216.9.1
    ring1_addr: 192.168.9.1
  }
  node {
    name: lk2001d-p009002
    nodeid: 2
    quorum_votes: 1
    ring0_addr: 10.216.9.2
    ring1_addr: 192.168.9.2
  }
}

quorum {
  provider: corosync_votequorum
}

totem {
  cluster_name: pve-lk-g11
  config_version: 5
  interface {
    linknumber: 0
  }
  interface {
    linknumber: 1
  }
  ip_version: ipv4-6
  link_mode: passive
  secauth: on
  version: 2
}

root@lk2001d-p009001:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback

iface eth0 inet manual

iface eth1 inet manual

iface eth2 inet manual

iface eth3 inet manual

auto bond0
iface bond0 inet manual
    bond-slaves eth0 eth1
    bond-miimon 100
    bond-mode active-backup

auto bond1
iface bond1 inet manual
    bond-slaves eth2 eth3
    bond-miimon 100
    bond-mode active-backup

auto vmbr0
iface vmbr0 inet static
    address 10.216.9.1
    netmask 255.255.254.0
    gateway 10.216.8.1
    bridge_ports bond0
    bridge_stp off
    bridge_fd 0

auto vmbr1
iface vmbr1 inet static
    address 192.168.9.1
    netmask 255.255.254.0
    bridge_ports bond1
    bridge_stp off
    bridge_fd 0

 

[sanshi_xt]

anyone?