[ 3173.831275][T22577] gre: GRE over IPv4 demultiplexor driver
[ 3175.797060][T22600] ip_gre: GRE over IPv4 tunneling driver
[ 3235.618182][T23174] ip6_gre: GRE over IPv6 tunneling driver
[ 3276.696159][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.520064][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.448095][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3293.144067][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!