diff -urNp a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c --- a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c 2020-09-29 14:08:09.742478965 +0200 +++ b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c 2020-10-01 14:20:25.575174851 +0200 @@ -19,6 +19,7 @@ #include #include +#include netsnmp_feature_require(prefix_info) netsnmp_feature_require(find_prefix_info) @@ -234,7 +235,18 @@ _load_v6(netsnmp_container *container, i #define PROCFILE "/proc/net/if_inet6" if (!(in = fopen(PROCFILE, "r"))) { - NETSNMP_LOGONCE((LOG_ERR, "ipaddress_linux: could not open " PROCFILE)); + + /* + * If PROCFILE exists, but isn't readable, file ERROR message. + * Otherwise log nothing, due of IPv6 support on this machine is + * intentionaly disabled/unavailable. + */ + + struct stat filestat; + + if(stat(PROCFILE, &filestat) == 0){ + NETSNMP_LOGONCE((LOG_ERR, "ipaddress_linux: could not open " PROCFILE)); + } return -2; }