[ 1503.741645][T31646] gre: GRE over IPv4 demultiplexer driver
[ 1504.216640][T31669] ip_gre: GRE over IPv4 tunneling driver
[ 1520.000808][T32242] ip6_gre: GRE over IPv6 tunneling driver
[ 1524.583748][T24975] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1530.304398][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.287402][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.144402][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.127411][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!