[ 4373.663271][T29153] gre: GRE over IPv4 demultiplexer driver
[ 4375.351827][T29176] ip_gre: GRE over IPv4 tunneling driver
[ 4425.494682][T29748] ip6_gre: GRE over IPv6 tunneling driver
[ 4459.675144][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4465.180167][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.556108][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4476.699032][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!