[ 3398.707476][T30387] gre: GRE over IPv4 demultiplexor driver
[ 3399.888887][T30411] ip_gre: GRE over IPv4 tunneling driver
[ 3436.062656][T30985] ip6_gre: GRE over IPv6 tunneling driver
[ 3461.038573][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3464.813506][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3468.205495][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3471.981521][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!