Linux vacca.o2switch.net 4.18.0-553.123.2.lve.el8.x86_64 #1 SMP Thu May 7 23:17:13 UTC 2026 x86_64

/proc/self/root/proc/thread-self/root/lib/firewalld/icmptypes/

//proc/self/root/proc/thread-self/root/lib/firewalld/icmptypes/neighbour-advertisement.xml

<?xml version="1.0" encoding="utf-8"?> <icmptype> <short>Neighbour Advertisement (Neighbor Advertisement)</short> <description>This informational message is sent in response to a neighbour-solicitation message in order to (unreliably) propagate new information quickly.</description> <destination ipv4="no"/> <destination ipv6="yes"/> </icmptype>