[ 1541.530263][T18077] gre: GRE over IPv4 demultiplexer driver
[ 1541.987108][T18100] ip_gre: GRE over IPv4 tunneling driver
[ 1557.935400][T18671] ip6_gre: GRE over IPv6 tunneling driver
[ 1568.439455][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1570.486420][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1572.342416][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1574.391426][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!