[ 4396.790112][T29137] gre: GRE over IPv4 demultiplexer driver
[ 4398.476776][T29160] ip_gre: GRE over IPv4 tunneling driver
[ 4448.060582][T29731] ip6_gre: GRE over IPv6 tunneling driver
[ 4482.213064][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4487.204969][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.557046][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4496.612970][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!