[ 4460.081356][T22381] gre: GRE over IPv4 demultiplexor driver
[ 4462.130866][T22404] ip_gre: GRE over IPv4 tunneling driver
[ 4522.400224][T22984] ip6_gre: GRE over IPv6 tunneling driver
[ 4564.522334][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4570.346256][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4575.403277][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4581.546285][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!