[ 4296.017243][T20334] gre: GRE over IPv4 demultiplexor driver
[ 4298.035640][T20358] ip_gre: GRE over IPv4 tunneling driver
[ 4357.748497][T20939] ip6_gre: GRE over IPv6 tunneling driver
[ 4421.281282][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4428.704017][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!