We are seeing these VpnPPVPNDiscovery messages in VNM.OUT after upgrading to Spectrum 22.2.6.
Mar 29 12:20:18 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF SIB,ifIndex 3ea. Discovering VRF instance
Mar 29 12:21:05 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF VR63a2500,ifIndex 2d4. Discovering VRF instance
Mar 29 12:24:46 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF Axad_1,ifIndex 1a3. Discovering VRF instance
Mar 29 12:26:49 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF SIB,ifIndex 2f0. Discovering VRF instance
Mar 29 12:27:48 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF AxeLdI_1,ifIndex 253. Discovering VRF instance
Mar 29 12:28:16 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF QIB,ifIndex 312. Discovering VRF instance
Mar 29 12:29:23 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF QIB,ifIndex 270. Discovering VRF instance
Mar 29 12:31:04 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF MIS,ifIndex 3af. Discovering VRF instance
Mar 29 12:32:37 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF MIS,ifIndex 270. Discovering VRF instance
Mar 29 12:37:10 VPN DISC: TRACE at VpnPPVPNDiscovery.cc(315): VrfIfUpTrap :: App model 0x537576744 for VRF VR637910,ifIndex f3. Discovering VRF instance
Release : 22.2.6
VPN Discovery debug is enabled by default
If there are no performance issues this can be safely ignored.
This is scheduled to be addressed in a future Spectrum release.