[ 1308.001253][T18588] gre: GRE over IPv4 demultiplexer driver
[ 1308.515103][T18611] ip_gre: GRE over IPv4 tunneling driver
[ 1324.764228][T19182] ip6_gre: GRE over IPv6 tunneling driver
[ 1335.383784][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1337.431752][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1339.351745][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1341.400745][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!