[ 3215.935827][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3217.492077][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3264.729148][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3297.433594][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.232485][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.392486][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3311.257488][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!