[ 4365.534188][T28722] gre: GRE over IPv4 demultiplexer driver
[ 4367.309472][T28745] ip_gre: GRE over IPv4 tunneling driver
[ 4417.453442][T29318] ip6_gre: GRE over IPv6 tunneling driver
[ 4451.675486][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4456.730451][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.082486][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.139412][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!