[ 3110.405556][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3112.006116][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3159.592723][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 3192.588231][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3197.324160][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3201.421150][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3206.157169][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!