[ 1521.980307][T18768] gre: GRE over IPv4 demultiplexer driver
[ 1522.543345][T18798] ip_gre: GRE over IPv4 tunneling driver
[ 1538.604458][T19370] ip6_gre: GRE over IPv6 tunneling driver
[ 1549.212985][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1551.196961][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1553.115961][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1555.163967][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!