[ 2171.440451][T17623] gre: GRE over IPv4 demultiplexor driver
[ 2173.361382][T17646] ip_gre: GRE over IPv4 tunneling driver
[ 2228.164718][T18217] ip6_gre: GRE over IPv6 tunneling driver
[ 2266.543172][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2271.855065][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2276.208060][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2281.391067][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!