[ 3147.948695][T22576] gre: GRE over IPv4 demultiplexor driver
[ 3149.990112][T22600] ip_gre: GRE over IPv4 tunneling driver
[ 3215.612855][T23177] ip6_gre: GRE over IPv6 tunneling driver
[ 3258.328262][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.856122][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.040132][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.056138][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!