[ 2157.961406][T17619] gre: GRE over IPv4 demultiplexor driver
[ 2159.698793][T17642] ip_gre: GRE over IPv4 tunneling driver
[ 2211.872727][T18214] ip6_gre: GRE over IPv6 tunneling driver
[ 2248.754524][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2253.810506][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2258.290451][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2263.283453][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!