[ 3227.416222][T26054] gre: GRE over IPv4 demultiplexor driver
[ 3229.486148][T26078] ip_gre: GRE over IPv4 tunneling driver
[ 3290.646265][T26659] ip6_gre: GRE over IPv6 tunneling driver
[ 3337.398470][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3343.606400][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3349.109364][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3355.253390][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!