[ 1352.690935][T10810] gre: GRE over IPv4 demultiplexer driver
[ 1353.124939][T10833] ip_gre: GRE over IPv4 tunneling driver
[ 1368.708410][T11409] ip6_gre: GRE over IPv6 tunneling driver
[ 1374.053618][T11658] ping (11658) used greatest stack depth: 23344 bytes left
[ 1378.825301][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1380.810278][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1382.666267][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1384.649284][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!