[ 3125.546745][T20275] gre: GRE over IPv4 demultiplexor driver
[ 3126.684924][T20299] ip_gre: GRE over IPv4 tunneling driver
[ 3161.713908][T20872] ip6_gre: GRE over IPv6 tunneling driver
[ 3179.180970][T21066] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3185.964314][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3189.675402][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3193.003372][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3196.907340][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!