[ 1440.561377][T27387] gre: GRE over IPv4 demultiplexer driver
[ 1441.067403][T27410] ip_gre: GRE over IPv4 tunneling driver
[ 1457.071944][T27982] ip6_gre: GRE over IPv6 tunneling driver
[ 1467.560679][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1469.544647][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1471.399658][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1473.448650][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!