[ 1840.700477][T15221] gre: GRE over IPv4 demultiplexor driver
[ 1842.352578][T15244] ip_gre: GRE over IPv4 tunneling driver
[ 1893.308058][T15816] ip6_gre: GRE over IPv6 tunneling driver
[ 1928.425143][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1933.609040][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1938.089041][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1943.465091][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!