[ 4281.424642][T20300] gre: GRE over IPv4 demultiplexor driver
[ 4283.453901][T20323] ip_gre: GRE over IPv4 tunneling driver
[ 4345.626230][T20903] ip6_gre: GRE over IPv6 tunneling driver
[ 4388.567609][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4394.455529][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4399.448517][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4405.335530][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!