[ 4422.658370][T29148] gre: GRE over IPv4 demultiplexer driver
[ 4424.302387][T29171] ip_gre: GRE over IPv4 tunneling driver
[ 4479.066896][T29746] ip6_gre: GRE over IPv6 tunneling driver
[ 4514.453484][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4520.149348][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4524.950343][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4530.453350][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!