The script super_sockets_for_oracle alters the oracle user's .bashrc in order to set the LD_PRELOAD environment variable automatically. This causes warning if privileged applications are invoked. However, these warnings can be safely ignored.
[oracle@rac1pub ~]$ ping rac2pub ERROR: ld.so: object 'libksupersockets.so' from LD_PRELOAD cannot be preloaded: ignored. PING rac2pub (172.16.5.160) 56(84) bytes of data. 64 bytes from rac2pub (172.16.5.160): icmp_seq=1 ttl=64 time=0.019 ms