[ 3141.968047][T28969] gre: GRE over IPv4 demultiplexor driver
[ 3143.152475][T28992] ip_gre: GRE over IPv4 tunneling driver
[ 3178.819952][T29563] ip6_gre: GRE over IPv6 tunneling driver
[ 3191.221923][T11582] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3203.572482][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3207.413463][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3210.676476][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3214.452462][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!