[ 1477.971912][  T757] gre: GRE over IPv4 demultiplexer driver
[ 1478.424693][  T780] ip_gre: GRE over IPv4 tunneling driver
[ 1493.954814][ T1353] ip6_gre: GRE over IPv6 tunneling driver
[ 1497.602012][T31258] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1504.129933][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.112923][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1507.968934][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1509.953938][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!