[ 4389.476367][T22386] gre: GRE over IPv4 demultiplexor driver
[ 4391.512542][T22409] ip_gre: GRE over IPv4 tunneling driver
[ 4453.120238][T22982] ip6_gre: GRE over IPv6 tunneling driver
[ 4494.921751][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4500.937672][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4506.057644][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.010651][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!