[ 1311.241680][T31652] gre: GRE over IPv4 demultiplexer driver
[ 1311.758661][T31675] ip_gre: GRE over IPv4 tunneling driver
[ 1317.621983][T31928] ping (31928) used greatest stack depth: 23968 bytes left
[ 1328.574523][T32247] ip6_gre: GRE over IPv6 tunneling driver
[ 1333.398047][T32448] ping (32448) used greatest stack depth: 23560 bytes left
[ 1336.682243][T32593] ping (32593) used greatest stack depth: 22952 bytes left
[ 1339.559342][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1341.672293][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1343.592296][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1345.703323][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!