[ 3411.799297][T31331] gre: GRE over IPv4 demultiplexor driver
[ 3412.966369][T31356] ip_gre: GRE over IPv4 tunneling driver
[ 3447.892654][T31931] ip6_gre: GRE over IPv6 tunneling driver
[ 3452.193706][T31332] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3471.583499][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3475.295502][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3478.496490][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3482.143493][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!