[ 1681.285674][T14858] gre: GRE over IPv4 demultiplexer driver
[ 1681.719656][T14881] ip_gre: GRE over IPv4 tunneling driver
[ 1697.373886][T15452] ip6_gre: GRE over IPv6 tunneling driver
[ 1707.706232][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1709.691192][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1711.547210][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1713.595203][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!