[ 1506.116791][  T912] gre: GRE over IPv4 demultiplexer driver
[ 1506.598018][  T935] ip_gre: GRE over IPv4 tunneling driver
[ 1523.359963][ T1516] ip6_gre: GRE over IPv6 tunneling driver
[ 1534.420505][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.532456][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1538.452501][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1540.563465][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!