[ 4055.537169][T28744] gre: GRE over IPv4 demultiplexer driver
[ 4057.126071][T28767] ip_gre: GRE over IPv4 tunneling driver
[ 4103.822696][T29340] ip6_gre: GRE over IPv6 tunneling driver
[ 4137.190509][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4142.181759][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4146.597463][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4151.653469][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!