[ 4125.552598][T29301] gre: GRE over IPv4 demultiplexer driver
[ 4127.164518][T29324] ip_gre: GRE over IPv4 tunneling driver
[ 4176.213108][T29895] ip6_gre: GRE over IPv6 tunneling driver
[ 4201.123284][T28789] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4209.828089][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4214.883082][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4219.171098][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4224.035112][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!