[ 1521.221258][  T949] gre: GRE over IPv4 demultiplexer driver
[ 1521.689906][  T972] ip_gre: GRE over IPv4 tunneling driver
[ 1537.206453][ T1544] ip6_gre: GRE over IPv6 tunneling driver
[ 1547.399601][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1549.383558][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1551.175556][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1553.160563][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!